Technologies

[Walter]

Norse Technologies as of 1st of January, 1910

Green = Available tech.
Orange = Tech being researched.
Purple = Tech research on hold.
Red = Unavailable tech.

Naval Artillery
Baseline: Muzzle-Loading cannon. Primitive Breechloaders. Solid Shot. Primitive High Explosive Shells
1880: Breach loading guns. High Explosive Shells.
1895: Quick-Firing guns. Semi-Armor Piercing Shells
1900: Smokeless Powder.
1905: Improved Smokeless Powder. Armor Piercing Shells
1910: Capped Shells
1915: Shells can be 10% over SS default
1920: Improved Capped Shells Shells can be 20% over SS default
1925: Advanced Capped Shells

Naval Propulsion:
Baseline: Simple Reciprocating Engines
1895: Complex Reciprocating Engines, Oil Spraying up to 10% of bunkerage.
1902: Turbines, Underway Recoaling
1906: Electric Drives, Oil Fired Boilers
1909: Hydraulic Drives
1912: Geared Drives
1915: Diesel Engines
1918: Underway Oiling

Capital Ship Architecture:

Baseline: Main guns in twin turrets, secondaries in casemate, tertiary in casemate or deck mounts.
1891: Mixed-caliber main battery (Main+intermediary calibers), Superfiring secondaries (Restricted Axial Firing Arcs) and Stacked Main Battery turrets OR Main caliber battery in AQY. [Pick One Only]
1903: All-big-gun ship with wing turrets OR Superfiring turrets (restricted axial firing arcs) [Pick one or both]
1905: Improved turret hydraulics, independent gun elevation, Torpedo Bulkheads, triple turrets
1910: Superfiring turrets (unrestricted firing arcs), "All or Nothing" Protective Schemes, "Pair of Twins" Quadruple turrets
1914: True Quadruple turrets, Sloped external belts
1920:  No restriction (high or low) on caliber of turreted guns
1926: Primitive DP secondary batteries
1932: Improved DP Secondary batteries. De-Capping plates
1940: Advanced DP Secondary batteries.
1946: Automatic Secondary Guns

Aircraft/Seaplane Carrier Architecture:
Baseline: None
1910: Experimental aviation ships. Requires and is automatically granted upon completion of the 1910 Aircraft tech.
1915: floatplanes; flying-off decks for wheeled aircraft. Primitive Air-Launched torpedoes
1918: gunpowder catapults for floatplanes; separate landing and taking-off decks for wheeled aircraft. Early Air-Launched torpedoes. Rapid Consecutive Takeoffs limited to single aircraft.
1922: hydraulic catapults; full length decks for wheeled aircraft; arrestor wires. Primitive Anti-Shipping Bombs. Rapid Consecutive Takeoffs limited to single squadrons
1924: Improved airgroup handling practices. Primitive deck parks. Anti-Ship Level Bombing. Rapid Consecutive Takeoffs with no more than 25% of the airgroup
1928: armored box carrier Improved Air-Launched Torpedoes. Early Anti-Ship Dive Bombs
1932: Early Deck-Parks, Rapid Consecutive Takeoffs with no more than 50% of the airgroup
1938: Improved Anti-Ship Dive Bombs, Improved deck parks and hanger ventilation. Rapid Consecutive Takeoffs with no more than 75% of the airgroup
1942: Advanced Deck Parks. Advanced Air-Launched Torpedoes. Advanced Anti-Ship Dive Bombs. Rapid Consecutive Takeoffs with 100% of the airgroup.

Cruiser Architecture:
Baseline: guns in single mounts or casemates, on side/centerline
1900: ammunition hoists, deck torpedo armament, superfiring mounts. Cruisers under 6000 tons may have cross-sectional hull strength > 0.9
1910: twin gun mounts (require hoists); powered gun mounts; unrestricted weapon armor
1920:  No restriction (high or low) on caliber of turreted guns. Cruisers under 3000 tons may have cross-sectional hull strength > 0.75

Destroyer, Torpedo Boat, and Motor Torpedo Boat Architecture:
Baseline: single TTs - max 4, displacement 500t
1904: double TTs - max 8, displacement 750t Type A MTB
1908: triple TTs - max 12, displacement 1000t Type B MTB
1912: max displacement 1500t Type C, D MTB
1918: quad TTs, 2000t Type E, F MTB
1924: quintuple tubes, 2,500t Type G, H MTB
1928: Type H, I, J MTB

Mine Warfare:
Baseline: Hand detonated mines. Running into mines with ships.
1897: Primitive Horn Mines
1900: Reliable Horn mines. Primitive paravanes and dragged booms behind small vessels.
1908: Early antenna mines. Advanced paravanes, active charges.
1918: Reliable antenna mines.
1922: Unreliable magnetic mines & countermeasures.

Night Fighting:
Baseline: Mk1 Eyeball, standard searchlights in regular mountings.
1908: Basic tactics, Specialised nighttime acquisition Searchlight mounts, night scopes
1912: Starshells, Improved tactics
1918: Illuminating shells with parachute, improved night scopes

Rangefinding, Fire Control and Gunnery:
Baseline: Local control of individual guns. Limited non-rangefinding magnification equipment for main batteries. Iron sight aiming. 2km All ships equipped w/o misc weight allocation.
1905: Continuous Aim Systems. Short-base rangefinders. Dedicated Spotting infrastructure. Primitive centralization. 6km
1908: Centralized FC, early directors - 10km
1912: Primitive FC computers -14km
1918: Spotting planes, Central director stations, long base-length RF - 24km
1930:  Electromechanical FC computers - 30km

Remote Sensing Devices:
Baseline: Mk1 Eyeball with limited optical enhancement (eg Binoculars)
1905: Early Huelsmeyer-type "radar", listening dishes, War tuba's.
1915: refined Huelsmeyer-type "radar"
1930: Primitive search RADAR

Torpedo Technologies:
Baseline: Spar mounted Torpedo, Primitive Self-Propelled Torpedoes with improvised warheads.
1890: Early Self-Propelled Torpedoes with Compressed Air engines. Primitive warheads. Early contact fuses.
1899: Early Wet Heater engines Early warheads.
1905: Improved Wet Heater engines. Improved fuses
1908: Improved warheads
1913: Advanced Wet Heater engines
1918: Advanced warheads. Advanced contact fuses.
1928: Early Oxygen Torpedoes. Primitive magnetic firing pistols.
1935: Improved Oxygen Torpedoes. Early magnetic firing pistols.
1940: Advanced Oxygen Torpedoes. Improved Magnetic firing pistols. Primitive programmable paths.
1945: Advanced magnetic firing pistols. Early programmable paths. Primitive remote guidance methods.

Submarines and Countermeasures:
1900
1905
1910
1915
1920
1925
1930
1935
1940

Army Units
Baseline: United States Civil War era equipment. Muzzle loading muskets and rifles. Limited number of repeating and breach-loading rifles. Primitive Gattling Guns.
1880: Victorian era equipment. Black Powder Bolt-Action rifles. Improved Gattling Guns in greater quantity.
1895: Spanish American War era equipment. Improved single-shot breechloaders. Smokeless Powder  Bolt-action rifles Primitive rifle-caliber MGs.
1905: Pre Great War era equipment. Improved Bolt-action rifles. Rifle-caliber MGs.
1915: Great War era equipment. Advanced Bolt-action rifles. Proliferation of light MGs, sprinkling of heavy MGs. Improvised Short range Anti-Armor equipment.
1925: Post Great War era equipment. Improving number of man-portable automatic weapons. Proliferation of heavy MGs. Early Specialised short range Anti-Armor equipment.
1935: Pre WWII era equipment. Semi-automatic rifles common. Early SMGs. Improved  Early Specialised short range Anti-Armor equipment. Light Anti-Armor guns
1945: WWII era equipment. Advanced semi-automatic rifles and SMGs. Early Assault Rifles. Improved Short-range anti-armor equipment. Heavy Anti-Armor guns. Primitive Long-Range anti-armor equipment.

Artillery Units
Baseline: Muzzle loading cannon on simple wheeled carriages. Very Primitive single-shot Black Powder rockets
1880: Improved mobility of field guns. Primitive Breech loading light field pieces.
1895: Improved Breech loading guns. Primitive Recoilless carriages for light field pieces
1905: Proliferation of recoilless carriages for light field pieces.
1915 Proliferation of recoilless carriages for heavy field pieces. Increase number of heavy guns. Experimental MLRS.
1925: Improved carriages. Primitive and limited use Self-Propelled Carriages for light guns. Primitive MLRS.
1935: Improved plotting integration. Improved Self-Propelled Carriages for light guns. Primitive Self-Propelled MLRS. Primitive Long-Range Rockets
1945: Self-Propelled Carriages for all field guns and MLRS. Early Long-Range Rockets.

Aircraft and Countermeasures:
Baseline: None, perhaps a few private experimenters with gliders or hot air balloons.
1902: Up to Historical 1906 aircraft and countermeasures
1906: Up to Historical 1910 aircraft and countermeasures
1910: Up to Historical 1914 aircraft and countermeasures
1913: Up to Historical 1916 aircraft and countermeasures
1917: Up to Historical 1918 aircraft and countermeasures
1921: Up to Historical 1922 aircraft and countermeasures
1925: Up to Historical 1926 aircraft and countermeasures
1929: Up to Historical 1930 aircraft and countermeasures
1933: Up to Historical 1934 aircraft and countermeasures
1937: Up to Historical 1938 aircraft and countermeasures
1941: Up to Historical 1942 aircraft and countermeasures
1945: Up to Historical 1946 aircraft and countermeasures

Amphibious Technology:
Baseline: Lifeboats and the use of enemy harbors.
1905: Shallow draft barges and shallow draft support ships
1910: LST ships
1920: Landing support ships and LST carriers
1928: Mulberry harbors and amphibious vehicles.

Logistics:
Baseline: Horsedrawn limbers, covered wagons, foraging. Use of rail networks
1900: Improved coordination. Experimental use of motorised equipment.
1910: Motorized Headquarters and communication units
1920: Motorized logistics trains
1930: Small-scale battlefield transport
1940: Large-scale battlefield transport

Mechanization:
Baseline: None
1905: Experimental. Automatically granted in 1910. Requires 1900 Logistics
1915: Early Armored Cars. Primitive Tanks
1925: Improved Armored Cars, Early Tanks. Primitive APCs
1935: Advanced Armored Cars, Improved Tanks, Early APCs
1945: Advanced Tanks, Improved APCs

Signals/Intelligence:
Baseline: Wax seals, primitive codes.
1895:  Ability to create simple codes.
1900:  Ability to use and break simple codes, bored crews at wireless stations listening to radio traffic
1905:  Basic encoding protocols, dedicated radio and telegraph line listening stations
1912:  Centralized cryptographic institutions, enforced radio discipline, Room 40
1920:  Primitive mechanical encoding/decoding machines etc.

[Walter]

Norse Technologies as of 1st of July, 1910

Green = Available tech.
Orange = Tech being researched.
Purple = Tech research on hold.
Red = Unavailable tech.

Naval Artillery
Baseline: Muzzle-Loading cannon. Primitive Breechloaders. Solid Shot. Primitive High Explosive Shells
1880: Breach loading guns. High Explosive Shells.
1895: Quick-Firing guns. Semi-Armor Piercing Shells
1900: Smokeless Powder.
1905: Improved Smokeless Powder. Armor Piercing Shells
1910: Capped Shells
1915: Shells can be 10% over SS default
1920: Improved Capped Shells Shells can be 20% over SS default
1925: Advanced Capped Shells

Naval Propulsion:
Baseline: Simple Reciprocating Engines
1895: Complex Reciprocating Engines, Oil Spraying up to 10% of bunkerage.
1902: Turbines, Underway Recoaling
1906: Electric Drives, Oil Fired Boilers
1909: Hydraulic Drives
1912: Geared Drives
1915: Diesel Engines
1918: Underway Oiling

Capital Ship Architecture:

Baseline: Main guns in twin turrets, secondaries in casemate, tertiary in casemate or deck mounts.
1891: Mixed-caliber main battery (Main+intermediary calibers), Superfiring secondaries (Restricted Axial Firing Arcs) and Stacked Main Battery turrets OR Main caliber battery in AQY. [Pick One Only]
1903: All-big-gun ship with wing turrets OR Superfiring turrets (restricted axial firing arcs) [Pick one or both]
1905: Improved turret hydraulics, independent gun elevation, Torpedo Bulkheads, triple turrets
1910: Superfiring turrets (unrestricted firing arcs), "All or Nothing" Protective Schemes, "Pair of Twins" Quadruple turrets
1914: True Quadruple turrets, Sloped external belts
1920:  No restriction (high or low) on caliber of turreted guns
1926: Primitive DP secondary batteries
1932: Improved DP Secondary batteries. De-Capping plates
1940: Advanced DP Secondary batteries.
1946: Automatic Secondary Guns

Aircraft/Seaplane Carrier Architecture:
Baseline: None
1910: Experimental aviation ships. Requires and is automatically granted upon completion of the 1910 Aircraft tech.
1915: floatplanes; flying-off decks for wheeled aircraft. Primitive Air-Launched torpedoes
1918: gunpowder catapults for floatplanes; separate landing and taking-off decks for wheeled aircraft. Early Air-Launched torpedoes. Rapid Consecutive Takeoffs limited to single aircraft.
1922: hydraulic catapults; full length decks for wheeled aircraft; arrestor wires. Primitive Anti-Shipping Bombs. Rapid Consecutive Takeoffs limited to single squadrons
1924: Improved airgroup handling practices. Primitive deck parks. Anti-Ship Level Bombing. Rapid Consecutive Takeoffs with no more than 25% of the airgroup
1928: armored box carrier Improved Air-Launched Torpedoes. Early Anti-Ship Dive Bombs
1932: Early Deck-Parks, Rapid Consecutive Takeoffs with no more than 50% of the airgroup
1938: Improved Anti-Ship Dive Bombs, Improved deck parks and hanger ventilation. Rapid Consecutive Takeoffs with no more than 75% of the airgroup
1942: Advanced Deck Parks. Advanced Air-Launched Torpedoes. Advanced Anti-Ship Dive Bombs. Rapid Consecutive Takeoffs with 100% of the airgroup.

Cruiser Architecture:
Baseline: guns in single mounts or casemates, on side/centerline
1900: ammunition hoists, deck torpedo armament, superfiring mounts. Cruisers under 6000 tons may have cross-sectional hull strength > 0.9
1910: twin gun mounts (require hoists); powered gun mounts; unrestricted weapon armor
1920:  No restriction (high or low) on caliber of turreted guns. Cruisers under 3000 tons may have cross-sectional hull strength > 0.75

Destroyer, Torpedo Boat, and Motor Torpedo Boat Architecture:
Baseline: single TTs - max 4, displacement 500t
1904: double TTs - max 8, displacement 750t Type A MTB
1908: triple TTs - max 12, displacement 1000t Type B MTB
1912: max displacement 1500t Type C, D MTB
1918: quad TTs, 2000t Type E, F MTB
1924: quintuple tubes, 2,500t Type G, H MTB
1928: Type H, I, J MTB

Mine Warfare:
Baseline: Hand detonated mines. Running into mines with ships.
1897: Primitive Horn Mines
1900: Reliable Horn mines. Primitive paravanes and dragged booms behind small vessels.
1908: Early antenna mines. Advanced paravanes, active charges.
1918: Reliable antenna mines.
1922: Unreliable magnetic mines & countermeasures.

Night Fighting:
Baseline: Mk1 Eyeball, standard searchlights in regular mountings.
1908: Basic tactics, Specialised nighttime acquisition Searchlight mounts, night scopes
1912: Starshells, Improved tactics
1918: Illuminating shells with parachute, improved night scopes

Rangefinding, Fire Control and Gunnery:
Baseline: Local control of individual guns. Limited non-rangefinding magnification equipment for main batteries. Iron sight aiming. 2km All ships equipped w/o misc weight allocation.
1905: Continuous Aim Systems. Short-base rangefinders. Dedicated Spotting infrastructure. Primitive centralization. 6km
1908: Centralized FC, early directors - 10km
1912: Primitive FC computers -14km
1918: Spotting planes, Central director stations, long base-length RF - 24km
1930:  Electromechanical FC computers - 30km

Remote Sensing Devices:
Baseline: Mk1 Eyeball with limited optical enhancement (eg Binoculars)
1905: Early Huelsmeyer-type "radar", listening dishes, War tuba's.
1915: refined Huelsmeyer-type "radar"
1930: Primitive search RADAR

Torpedo Technologies:
Baseline: Spar mounted Torpedo, Primitive Self-Propelled Torpedoes with improvised warheads.
1890: Early Self-Propelled Torpedoes with Compressed Air engines. Primitive warheads. Early contact fuses.
1899: Early Wet Heater engines Early warheads.
1905: Improved Wet Heater engines. Improved fuses
1908: Improved warheads
1913: Advanced Wet Heater engines
1918: Advanced warheads. Advanced contact fuses.
1928: Early Oxygen Torpedoes. Primitive magnetic firing pistols.
1935: Improved Oxygen Torpedoes. Early magnetic firing pistols.
1940: Advanced Oxygen Torpedoes. Improved Magnetic firing pistols. Primitive programmable paths.
1945: Advanced magnetic firing pistols. Early programmable paths. Primitive remote guidance methods.

Submarines and Countermeasures:
1900
1905
1910
1915
1920
1925
1930
1935
1940

Army Units
Baseline: United States Civil War era equipment. Muzzle loading muskets and rifles. Limited number of repeating and breach-loading rifles. Primitive Gattling Guns.
1880: Victorian era equipment. Black Powder Bolt-Action rifles. Improved Gattling Guns in greater quantity.
1895: Spanish American War era equipment. Improved single-shot breechloaders. Smokeless Powder  Bolt-action rifles Primitive rifle-caliber MGs.
1905: Pre Great War era equipment. Improved Bolt-action rifles. Rifle-caliber MGs.
1915: Great War era equipment. Advanced Bolt-action rifles. Proliferation of light MGs, sprinkling of heavy MGs. Improvised Short range Anti-Armor equipment.
1925: Post Great War era equipment. Improving number of man-portable automatic weapons. Proliferation of heavy MGs. Early Specialised short range Anti-Armor equipment.
1935: Pre WWII era equipment. Semi-automatic rifles common. Early SMGs. Improved  Early Specialised short range Anti-Armor equipment. Light Anti-Armor guns
1945: WWII era equipment. Advanced semi-automatic rifles and SMGs. Early Assault Rifles. Improved Short-range anti-armor equipment. Heavy Anti-Armor guns. Primitive Long-Range anti-armor equipment.

Artillery Units
Baseline: Muzzle loading cannon on simple wheeled carriages. Very Primitive single-shot Black Powder rockets
1880: Improved mobility of field guns. Primitive Breech loading light field pieces.
1895: Improved Breech loading guns. Primitive Recoilless carriages for light field pieces
1905: Proliferation of recoilless carriages for light field pieces.
1915 Proliferation of recoilless carriages for heavy field pieces. Increase number of heavy guns. Experimental MLRS.
1925: Improved carriages. Primitive and limited use Self-Propelled Carriages for light guns. Primitive MLRS.
1935: Improved plotting integration. Improved Self-Propelled Carriages for light guns. Primitive Self-Propelled MLRS. Primitive Long-Range Rockets
1945: Self-Propelled Carriages for all field guns and MLRS. Early Long-Range Rockets.

Aircraft and Countermeasures:
Baseline: None, perhaps a few private experimenters with gliders or hot air balloons.
1902: Up to Historical 1906 aircraft and countermeasures
1906: Up to Historical 1910 aircraft and countermeasures
1910: Up to Historical 1914 aircraft and countermeasures
1913: Up to Historical 1916 aircraft and countermeasures
1917: Up to Historical 1918 aircraft and countermeasures
1921: Up to Historical 1922 aircraft and countermeasures
1925: Up to Historical 1926 aircraft and countermeasures
1929: Up to Historical 1930 aircraft and countermeasures
1933: Up to Historical 1934 aircraft and countermeasures
1937: Up to Historical 1938 aircraft and countermeasures
1941: Up to Historical 1942 aircraft and countermeasures
1945: Up to Historical 1946 aircraft and countermeasures

Amphibious Technology:
Baseline: Lifeboats and the use of enemy harbors.
1905: Shallow draft barges and shallow draft support ships
1910: LST ships
1920: Landing support ships and LST carriers
1928: Mulberry harbors and amphibious vehicles.

Logistics:
Baseline: Horsedrawn limbers, covered wagons, foraging. Use of rail networks
1900: Improved coordination. Experimental use of motorised equipment.
1910: Motorized Headquarters and communication units
1920: Motorized logistics trains
1930: Small-scale battlefield transport
1940: Large-scale battlefield transport

Mechanization:
Baseline: None
1905: Experimental. Automatically granted in 1910. Requires 1900 Logistics
1915: Early Armored Cars. Primitive Tanks
1925: Improved Armored Cars, Early Tanks. Primitive APCs
1935: Advanced Armored Cars, Improved Tanks, Early APCs
1945: Advanced Tanks, Improved APCs

Signals/Intelligence:
Baseline: Wax seals, primitive codes.
1895:  Ability to create simple codes.
1900:  Ability to use and break simple codes, bored crews at wireless stations listening to radio traffic
1905:  Basic encoding protocols, dedicated radio and telegraph line listening stations
1912:  Centralized cryptographic institutions, enforced radio discipline, Room 40
1920:  Primitive mechanical encoding/decoding machines etc.

[Desertfox]

Norse Technologies as of 1st of January, 1914

Green = Available tech.
Orange = Tech being researched.
Purple = Tech research on hold.
Red = Unavailable tech.

Naval Artillery
Baseline: Muzzle-Loading cannon. Primitive Breechloaders. Solid Shot. Primitive High Explosive Shells
1880: Breach loading guns. High Explosive Shells.
1895: Quick-Firing guns. Semi-Armor Piercing Shells
1900: Smokeless Powder.
1905: Improved Smokeless Powder. Armor Piercing Shells
1910: Capped Shells
1915: Shells can be 10% over SS default
1920: Improved Capped Shells Shells can be 20% over SS default
1925: Advanced Capped Shells

Naval Propulsion:
Baseline: Simple Reciprocating Engines
1895: Complex Reciprocating Engines, Oil Spraying up to 10% of bunkerage.
1902: Turbines, Underway Recoaling
1906: Electric Drives, Oil Fired Boilers
1909: Hydraulic Drives
1912: Geared Drives
1915: Diesel Engines
1918: Underway Oiling

Capital Ship Architecture:
Baseline: Main guns in twin turrets, secondaries in casemate, tertiary in casemate or deck mounts.
1891: Mixed-caliber main battery (Main+intermediary calibers), Superfiring secondaries (Restricted Axial Firing Arcs) and Stacked Main Battery turrets OR Main caliber battery in AQY. [Pick One Only]
1903: All-big-gun ship with wing turrets OR Superfiring turrets (restricted axial firing arcs) [Pick one or both]
1905: Improved turret hydraulics, independent gun elevation, Torpedo Bulkheads, triple turrets
1910: Superfiring turrets (unrestricted firing arcs), "All or Nothing" Protective Schemes, "Pair of Twins" Quadruple turrets
1914: True Quadruple turrets, Sloped external belts
1920:  No restriction (high or low) on caliber of turreted guns
1926: Primitive DP secondary batteries
1932: Improved DP Secondary batteries. De-Capping plates
1940: Advanced DP Secondary batteries.
1946: Automatic Secondary Guns

Aircraft/Seaplane Carrier Architecture:
Baseline: None
1910: Experimental aviation ships. Requires and is automatically granted upon completion of the 1910 Aircraft tech.
1915: floatplanes; flying-off decks for wheeled aircraft. Primitive Air-Launched torpedoes
1918: gunpowder catapults for floatplanes; separate landing and taking-off decks for wheeled aircraft. Early Air-Launched torpedoes. Rapid Consecutive Takeoffs limited to single aircraft.
1922: hydraulic catapults; full length decks for wheeled aircraft; arrestor wires. Primitive Anti-Shipping Bombs. Rapid Consecutive Takeoffs limited to single squadrons
1924: Improved airgroup handling practices. Primitive deck parks. Anti-Ship Level Bombing. Rapid Consecutive Takeoffs with no more than 25% of the airgroup
1928: armored box carrier Improved Air-Launched Torpedoes. Early Anti-Ship Dive Bombs
1932: Early Deck-Parks, Rapid Consecutive Takeoffs with no more than 50% of the airgroup
1938: Improved Anti-Ship Dive Bombs, Improved deck parks and hanger ventilation. Rapid Consecutive Takeoffs with no more than 75% of the airgroup
1942: Advanced Deck Parks. Advanced Air-Launched Torpedoes. Advanced Anti-Ship Dive Bombs. Rapid Consecutive Takeoffs with 100% of the airgroup.

Cruiser Architecture:
For all years, Cruisers with turrets shall have a composite hull strength > 1.0.
Baseline: guns in single mounts or casemates, on side/centerline
1900: ammunition hoists, deck torpedo armament, superfiring mounts. Cruisers under 6000 tons may have composite hull strength > 0.90
1910: twin gun mounts (require hoists); powered gun mounts; unrestricted weapon armor
1920:  No restriction (high or low) on caliber of turreted guns. Cruisers under 3000 tons may have composite hull strength > 0.75, Cruisers under 8000 tons may have composite hull strength >0.90

Note: effective HY1, 1913: Pre-existing cruisers are grandfathered. If they have a turret and 0.90 hull, presume they have required extra bracing, and the lesson has been learned.

Destroyer, Torpedo Boat, and Motor Torpedo Boat Architecture:
Baseline: single TTs - max 4, displacement 500t
1904: double TTs - max 8, displacement 750t Type A MTB
1908: triple TTs - max 12, displacement 1000t Type B MTB
1912: max displacement 1500t Type C, D MTB
1918: quad TTs, 2000t Type E, F MTB
1924: quintuple tubes, 2,500t Type G, H MTB
1928: Type H, I, J MTB

Mine Warfare:
Baseline: Hand detonated mines. Running into mines with ships.
1897: Primitive Horn Mines
1900: Reliable Horn mines. Primitive paravanes and dragged booms behind small vessels.
1908: Early antenna mines. Advanced paravanes, active charges.
1918: Reliable antenna mines.
1922: Unreliable magnetic mines & countermeasures.


Night Fighting & Remote Sensing Devices:
Baseline: Mk1 Eyeball with limited optical enhancement (eg Binoculars), standard searchlights in regular mountings.
1905: Early Huelsmeyer-type "radar", listening dishes, War tuba's.
1908: Basic tactics, Specialized nighttime acquisition Searchlight mounts, night scopes
1912: Starshells, Improved tactics
1918: Illuminating shells with parachute, improved night scopes
1922: refined Huelsmeyer-type "radar". Short range directional indicator.  Magnetron Research.
1930: Primitive search RADAR. Large and crude. Long range airborne directional indicator.
1934: Improved search RADAR. These would be the first shipboard mounts.
1938: Functional Air & Surface RADAR, Proximity fuses 125mm+
1942: Airborne radars. Limited Night blindfire Fire control RADAR
1946: Full Night blindfire RADAR, Proximity fuses 75mm+

Rangefinding, Fire Control and Gunnery:
Baseline: Local control of individual guns. Limited non-rangefinding magnification equipment for main batteries. Iron sight aiming. 2km All ships equipped w/o misc weight allocation.
1905: Continuous Aim Systems. Short-base rangefinders. Dedicated Spotting infrastructure. Primitive centralization. 6km
1908: Centralized FC, early directors - 10km
1912: Primitive FC computers -14km
1918: Spotting planes, Central director stations, long base-length RF - 24km
1930:  Electromechanical FC computers - 30km

Torpedo Technologies:
Baseline: Spar mounted Torpedo, Primitive Self-Propelled Torpedoes with improvised warheads.
1890: Early Self-Propelled Torpedoes with Compressed Air engines. Primitive warheads. Early contact fuses.
1899: Early Wet Heater engines Early warheads.
1905: Improved Wet Heater engines. Improved fuses
1908: Improved warheads
1913: Advanced Wet Heater engines
1918: Advanced warheads. Advanced contact fuses.
1928: Early Oxygen Torpedoes. Primitive magnetic firing pistols.
1935: Improved Oxygen Torpedoes. Early magnetic firing pistols.
1940: Advanced Oxygen Torpedoes. Improved Magnetic firing pistols. Primitive programmable paths.
1945: Advanced magnetic firing pistols. Early programmable paths. Primitive remote guidance methods.

Submarines and Countermeasures:
1900
1905
1910
1915
1920
1925
1930
1935
1940

Land Units
Baseline: United States Civil War era equipment. Muzzle loading muskets and rifles. Limited number of repeating and breach-loading rifles. Primitive Gatling Guns. Muzzle loading cannon on simple wheeled carriages. Very Primitive single-shot Black Powder rockets.
1880: Victorian era equipment. Black Powder Bolt-Action rifles. Improved Gatling Guns in greater quantity. Improved mobility of field guns. Primitive Breech loading light field pieces.
1895: Spanish American War era equipment. Improved single-shot breechloaders. Smokeless Powder  Bolt-action rifles Primitive rifle-caliber MGs. Proliferation of QF hydraulic recoil carriages for light field pieces.
1905: Pre Great War era equipment. Improved Bolt-action rifles. Rifle-caliber MGs. Improved Breech loading guns. Primitive Recoilless carriages for light field pieces.
1915: Great War era equipment. Advanced Bolt-action rifles. Proliferation of light MGs, sprinkling of heavy MGs. Field mortars. Improvised Short range Anti-Armor equipment. Increase number of heavy guns. Experimental MLRS-style weapons.
1925: Post Great War era equipment. Improving number of man-portable automatic weapons. Proliferation of heavy MGs. Early Specialized short range Anti-Armor equipment. Improved split-tail and towable carriages. Proliferation of hydraulic recoil carriages for heavy field pieces. Primitive and limited use Self-Propelled Carriages for light guns. Primitive Artillery plotting. Primitive MLRS.
1935: Pre WWII era equipment. Semi-automatic rifles common. Early SMGs. Improved  Early Specialised short range Anti-Armor equipment. Light Anti-Armor guns.  Improved plotting integration. Improved Self-Propelled Carriages for light guns. Primitive Self-Propelled MLRS. Primitive Long-Range Rockets.
1945: WWII era equipment. Advanced semi-automatic rifles and SMGs. Early Assault Rifles. Improved Short-range anti-armor equipment. Heavy Anti-Armor guns. Primitive Long-Range anti-armor equipment. Self-Propelled Carriages for all field guns and MLRS. Early Long-Range Rockets.

Aircraft and Countermeasures:
Baseline: None, perhaps a few private experimenters with gliders or hot air balloons.
1902: Up to Historical 1906 aircraft and countermeasures
1906: Up to Historical 1910 aircraft and countermeasures
1910: Up to Historical 1914 aircraft and countermeasures
1914: Up to Historical 1916 aircraft and countermeasures
1918: Up to Historical 1919 aircraft and countermeasures
1922: Up to Historical 1924 aircraft and countermeasures
1926: Up to Historical 1929 aircraft and countermeasures
1930: Up to Historical 1933 aircraft and countermeasures
1934: Up to Historical 1937 aircraft and countermeasures
1938: Up to Historical 1940 aircraft and countermeasures
1942: Up to Historical 1944 aircraft and countermeasures
1946: Up to Historical 1948 aircraft and countermeasures

Amphibious Technology:
Baseline: Lifeboats and the use of enemy harbors.   
               Can offensively  use 3 deployment point / turn. Can launch 1 amphibious invasion / turn.
1905: Shallow draft barges and shallow draft support ships.
               Can offensively use 1/6 deployment points / turn.  Can launch 3 amphibious invasions / turn.
1910: X-Lighters, troop transports
               Can offensively use 1/3 deployment points / turn. Can launch 5 amphibious invasions / turn.
1920: Landing support ships and LST carriers, combat loading.
               Can offensively use 2/3 Deployment points/ turn. Can launch 7 amphibious invasions / turn.
1928: Mulberry harbors and amphibious vehicles.   
               Can offensively use 100% of deployment points/turn. Can launch 9 amphibious invasions / turn.

Clarifications.
Round numbers.
Offensive: Moving Land Units into a Province that's not yours.  Requires a Deployment point in support.
Amphibious Invasion : doing the above over water.
In war, you can amphibiously invade places that aren't ports. Though there are supply constraints.

Logistics:
Baseline: Horsedrawn limbers, covered wagons, foraging. Use of rail networks
1900: Improved coordination. Experimental use of motorised equipment.
1910: Motorized Headquarters and communication units
1920: Motorized logistics trains
1930: Small-scale battlefield transport
1940: Large-scale battlefield transport

Mechanization:
Baseline: None
1905: Experimental. Automatically granted in 1910. Requires 1900 Logistics
1915: Early Armored Cars. Primitive Tanks
1925: Improved Armored Cars, Early Tanks. Primitive APCs
1935: Advanced Armored Cars, Improved Tanks, Early APCs
1945: Advanced Tanks, Improved APCs

Signals/Intelligence:
Baseline: Wax seals, primitive codes.
1895:  Ability to create simple codes.
1900:  Ability to use and break simple codes, bored crews at wireless stations listening to radio traffic
1905:  Basic encoding protocols, dedicated radio and telegraph line listening stations
1912:  Centralized cryptographic institutions, enforced radio discipline, Room 40
1920:  Primitive mechanical encoding/decoding machines etc.

[Desertfox]

Norse Technologies as of 1st of January, 1916

Green = Available tech.
Orange = Tech being researched.
Purple = Tech research on hold.
Red = Unavailable tech.

Naval Artillery
Baseline: Muzzle-Loading cannon. Primitive Breechloaders. Solid Shot. Primitive High Explosive Shells
1880: Breach loading guns. High Explosive Shells.
1895: Quick-Firing guns. Semi-Armor Piercing Shells
1900: Smokeless Powder.
1905: Improved Smokeless Powder. Armor Piercing Shells
1910: Capped Shells
1915: Shells can be 10% over SS default
1920: Improved Capped Shells Shells can be 20% over SS default
1925: Advanced Capped Shells

Naval Propulsion:
Baseline: Simple Reciprocating Engines
1895: Complex Reciprocating Engines, Oil Spraying up to 10% of bunkerage.
1902: Turbines, Underway Recoaling
1906: Electric Drives, Oil Fired Boilers
1909: Hydraulic Drives
1912: Geared Drives
1915: Diesel Engines
1918: Underway Oiling

Capital Ship Architecture:
Baseline: Main guns in twin turrets, secondaries in casemate, tertiary in casemate or deck mounts.
1891: Mixed-caliber main battery (Main+intermediary calibers), Superfiring secondaries (Restricted Axial Firing Arcs) and Stacked Main Battery turrets OR Main caliber battery in AQY. [Pick One Only]
1903: All-big-gun ship with wing turrets OR Superfiring turrets (restricted axial firing arcs) [Pick one or both]
1905: Improved turret hydraulics, independent gun elevation, Torpedo Bulkheads, triple turrets
1910: Superfiring turrets (unrestricted firing arcs), "All or Nothing" Protective Schemes, "Pair of Twins" Quadruple turrets
1914: True Quadruple turrets, Sloped external belts
1920:  No restriction (high or low) on caliber of turreted guns
1926: Primitive DP secondary batteries
1932: Improved DP Secondary batteries. De-Capping plates
1940: Advanced DP Secondary batteries.
1946: Automatic Secondary Guns

Aircraft/Seaplane Carrier Architecture:
Baseline: None
1910: Experimental aviation ships. Requires and is automatically granted upon completion of the 1910 Aircraft tech.
1915: floatplanes; flying-off decks for wheeled aircraft. Primitive Air-Launched torpedoes
1918: gunpowder catapults for floatplanes; separate landing and taking-off decks for wheeled aircraft. Early Air-Launched torpedoes. Rapid Consecutive Takeoffs limited to single aircraft.
1922: hydraulic catapults; full length decks for wheeled aircraft; arrestor wires. Primitive Anti-Shipping Bombs. Rapid Consecutive Takeoffs limited to single squadrons
1924: Improved airgroup handling practices. Primitive deck parks. Anti-Ship Level Bombing. Rapid Consecutive Takeoffs with no more than 25% of the airgroup
1928: armored box carrier Improved Air-Launched Torpedoes. Early Anti-Ship Dive Bombs
1932: Early Deck-Parks, Rapid Consecutive Takeoffs with no more than 50% of the airgroup
1938: Improved Anti-Ship Dive Bombs, Improved deck parks and hanger ventilation. Rapid Consecutive Takeoffs with no more than 75% of the airgroup
1942: Advanced Deck Parks. Advanced Air-Launched Torpedoes. Advanced Anti-Ship Dive Bombs. Rapid Consecutive Takeoffs with 100% of the airgroup.

Cruiser Architecture:
For all years, Cruisers with turrets shall have a composite hull strength > 1.0.
Baseline: guns in single mounts or casemates, on side/centerline
1900: ammunition hoists, deck torpedo armament, superfiring mounts. Cruisers under 6000 tons may have composite hull strength > 0.90
1910: twin gun mounts (require hoists); powered gun mounts; unrestricted weapon armor
1920:  No restriction (high or low) on caliber of turreted guns. Cruisers under 3000 tons may have composite hull strength > 0.75, Cruisers under 8000 tons may have composite hull strength >0.90

Note: effective HY1, 1913: Pre-existing cruisers are grandfathered. If they have a turret and 0.90 hull, presume they have required extra bracing, and the lesson has been learned.

Destroyer, Torpedo Boat, and Motor Torpedo Boat Architecture:
Baseline: single TTs - max 4, displacement 500t
1904: double TTs - max 8, displacement 750t Type A MTB
1908: triple TTs - max 12, displacement 1000t Type B MTB
1912: max displacement 1500t Type C, D MTB
1918: quad TTs, 2000t Type E, F MTB
1924: quintuple tubes, 2,500t Type G, H MTB
1928: Type H, I, J MTB

Mine Warfare:
Baseline: Hand detonated mines. Running into mines with ships.
1897: Primitive Horn Mines
1900: Reliable Horn mines. Primitive paravanes and dragged booms behind small vessels.
1908: Early antenna mines. Advanced paravanes, active charges.
1918: Reliable antenna mines.
1922: Unreliable magnetic mines & countermeasures.


Night Fighting & Remote Sensing Devices:
Baseline: Mk1 Eyeball with limited optical enhancement (eg Binoculars), standard searchlights in regular mountings.
1905: Early Huelsmeyer-type "radar", listening dishes, War tuba's.
1908: Basic tactics, Specialized nighttime acquisition Searchlight mounts, night scopes
1912: Starshells, Improved tactics
1918: Illuminating shells with parachute, improved night scopes
1922: refined Huelsmeyer-type "radar". Short range directional indicator.  Magnetron Research.
1930: Primitive search RADAR. Large and crude. Long range airborne directional indicator.
1934: Improved search RADAR. These would be the first shipboard mounts.
1938: Functional Air & Surface RADAR, Proximity fuses 125mm+
1942: Airborne radars. Limited Night blindfire Fire control RADAR
1946: Full Night blindfire RADAR, Proximity fuses 75mm+

Rangefinding, Fire Control and Gunnery:
Baseline: Local control of individual guns. Limited non-rangefinding magnification equipment for main batteries. Iron sight aiming. 2km All ships equipped w/o misc weight allocation.
1905: Continuous Aim Systems. Short-base rangefinders. Dedicated Spotting infrastructure. Primitive centralization. 6km
1908: Centralized FC, early directors - 10km
1912: Primitive FC computers -14km
1918: Spotting planes, Central director stations, long base-length RF - 24km
1930:  Electromechanical FC computers - 30km

Torpedo Technologies:
Baseline: Spar mounted Torpedo, Primitive Self-Propelled Torpedoes with improvised warheads.
1890: Early Self-Propelled Torpedoes with Compressed Air engines. Primitive warheads. Early contact fuses.
1899: Early Wet Heater engines Early warheads.
1905: Improved Wet Heater engines. Improved fuses
1908: Improved warheads
1913: Advanced Wet Heater engines
1918: Advanced warheads. Advanced contact fuses.
1928: Early Oxygen Torpedoes. Primitive magnetic firing pistols.
1935: Improved Oxygen Torpedoes. Early magnetic firing pistols.
1940: Advanced Oxygen Torpedoes. Improved Magnetic firing pistols. Primitive programmable paths.
1945: Advanced magnetic firing pistols. Early programmable paths. Primitive remote guidance methods.

Submarines and Countermeasures:
1900
1905
1910
1915
1920
1925
1930
1935
1940

Land Units
Baseline: United States Civil War era equipment. Muzzle loading muskets and rifles. Limited number of repeating and breach-loading rifles. Primitive Gatling Guns. Muzzle loading cannon on simple wheeled carriages. Very Primitive single-shot Black Powder rockets.
1880: Victorian era equipment. Black Powder Bolt-Action rifles. Improved Gatling Guns in greater quantity. Improved mobility of field guns. Primitive Breech loading light field pieces.
1895: Spanish American War era equipment. Improved single-shot breechloaders. Smokeless Powder  Bolt-action rifles Primitive rifle-caliber MGs. Proliferation of QF hydraulic recoil carriages for light field pieces.
1905: Pre Great War era equipment. Improved Bolt-action rifles. Rifle-caliber MGs. Improved Breech loading guns. Primitive Recoilless carriages for light field pieces.
1915: Great War era equipment. Advanced Bolt-action rifles. Proliferation of light MGs, sprinkling of heavy MGs. Field mortars. Improvised Short range Anti-Armor equipment. Increase number of heavy guns. Experimental MLRS-style weapons.
1925: Post Great War era equipment. Improving number of man-portable automatic weapons. Proliferation of heavy MGs. Early Specialized short range Anti-Armor equipment. Improved split-tail and towable carriages. Proliferation of hydraulic recoil carriages for heavy field pieces. Primitive and limited use Self-Propelled Carriages for light guns. Primitive Artillery plotting. Primitive MLRS.
1935: Pre WWII era equipment. Semi-automatic rifles common. Early SMGs. Improved  Early Specialised short range Anti-Armor equipment. Light Anti-Armor guns.  Improved plotting integration. Improved Self-Propelled Carriages for light guns. Primitive Self-Propelled MLRS. Primitive Long-Range Rockets.
1945: WWII era equipment. Advanced semi-automatic rifles and SMGs. Early Assault Rifles. Improved Short-range anti-armor equipment. Heavy Anti-Armor guns. Primitive Long-Range anti-armor equipment. Self-Propelled Carriages for all field guns and MLRS. Early Long-Range Rockets.

Aircraft and Countermeasures:
Baseline: None, perhaps a few private experimenters with gliders or hot air balloons.
1902: Up to Historical 1906 aircraft and countermeasures
1906: Up to Historical 1910 aircraft and countermeasures
1910: Up to Historical 1914 aircraft and countermeasures
1914: Up to Historical 1916 aircraft and countermeasures
1918: Up to Historical 1919 aircraft and countermeasures
1922: Up to Historical 1924 aircraft and countermeasures
1926: Up to Historical 1929 aircraft and countermeasures
1930: Up to Historical 1933 aircraft and countermeasures
1934: Up to Historical 1937 aircraft and countermeasures
1938: Up to Historical 1940 aircraft and countermeasures
1942: Up to Historical 1944 aircraft and countermeasures
1946: Up to Historical 1948 aircraft and countermeasures

Amphibious Technology:
Baseline: Lifeboats and the use of enemy harbors.   
               Can offensively  use 3 deployment point / turn. Can launch 1 amphibious invasion / turn.
1905: Shallow draft barges and shallow draft support ships.
               Can offensively use 1/6 deployment points / turn.  Can launch 3 amphibious invasions / turn.
1910: X-Lighters, troop transports
               Can offensively use 1/3 deployment points / turn. Can launch 5 amphibious invasions / turn.
1920: Landing support ships and LST carriers, combat loading.
               Can offensively use 2/3 Deployment points/ turn. Can launch 7 amphibious invasions / turn.
1928: Mulberry harbors and amphibious vehicles.   
               Can offensively use 100% of deployment points/turn. Can launch 9 amphibious invasions / turn.

Clarifications.
Round numbers.
Offensive: Moving Land Units into a Province that's not yours.  Requires a Deployment point in support.
Amphibious Invasion : doing the above over water.
In war, you can amphibiously invade places that aren't ports. Though there are supply constraints.

Logistics:
Baseline: Horsedrawn limbers, covered wagons, foraging. Use of rail networks
1900: Improved coordination. Experimental use of motorised equipment.
1910: Motorized Headquarters and communication units
1920: Motorized logistics trains
1930: Small-scale battlefield transport
1940: Large-scale battlefield transport

Mechanization:
Baseline: None
1905: Experimental. Automatically granted in 1910. Requires 1900 Logistics
1915: Early Armored Cars. Primitive Tanks
1925: Improved Armored Cars, Early Tanks. Primitive APCs
1935: Advanced Armored Cars, Improved Tanks, Early APCs
1945: Advanced Tanks, Improved APCs

Signals/Intelligence:
Baseline: Wax seals, primitive codes.
1895:  Ability to create simple codes.
1900:  Ability to use and break simple codes, bored crews at wireless stations listening to radio traffic
1905:  Basic encoding protocols, dedicated radio and telegraph line listening stations
1912:  Centralized cryptographic institutions, enforced radio discipline, Room 40
1920:  Primitive mechanical encoding/decoding machines etc.

[Khryses]

Norse Technologies as of 1st of July, 1916

Green = Available tech.
Orange = Tech being researched.
Purple = Tech research on hold.
Red = Unavailable tech.

Naval Artillery
Baseline: Muzzle-Loading cannon. Primitive Breechloaders. Solid Shot. Primitive High Explosive Shells
1880: Breach loading guns. High Explosive Shells.
1895: Quick-Firing guns. Semi-Armor Piercing Shells
1900: Smokeless Powder.
1905: Improved Smokeless Powder. Armor Piercing Shells
1910: Capped Shells
1915: Shells can be 10% over SS default
1920: Improved Capped Shells Shells can be 20% over SS default
1925: Advanced Capped Shells

Naval Propulsion:
Baseline: Simple Reciprocating Engines
1895: Complex Reciprocating Engines, Oil Spraying up to 10% of bunkerage.
1902: Turbines, Underway Recoaling
1906: Electric Drives, Oil Fired Boilers
1909: Hydraulic Drives
1912: Geared Drives
1915: Diesel Engines
1918: Underway Oiling

Capital Ship Architecture:
Baseline: Main guns in twin turrets, secondaries in casemate, tertiary in casemate or deck mounts.
1891: Mixed-caliber main battery (Main+intermediary calibers), Superfiring secondaries (Restricted Axial Firing Arcs) and Stacked Main Battery turrets OR Main caliber battery in AQY. [Pick One Only]
1903: All-big-gun ship with wing turrets OR Superfiring turrets (restricted axial firing arcs) [Pick one or both]
1905: Improved turret hydraulics, independent gun elevation, Torpedo Bulkheads, triple turrets
1910: Superfiring turrets (unrestricted firing arcs), "All or Nothing" Protective Schemes, "Pair of Twins" Quadruple turrets
1914: True Quadruple turrets, Sloped external belts
1920:  No restriction (high or low) on caliber of turreted guns
1926: Primitive DP secondary batteries
1932: Improved DP Secondary batteries. De-Capping plates
1940: Advanced DP Secondary batteries.
1946: Automatic Secondary Guns

Aircraft/Seaplane Carrier Architecture:
Baseline: None
1910: Experimental aviation ships. Requires and is automatically granted upon completion of the 1910 Aircraft tech.
1915: floatplanes; flying-off decks for wheeled aircraft. Primitive Air-Launched torpedoes
1918: gunpowder catapults for floatplanes; separate landing and taking-off decks for wheeled aircraft. Early Air-Launched torpedoes. Rapid Consecutive Takeoffs limited to single aircraft.
1922: hydraulic catapults; full length decks for wheeled aircraft; arrestor wires. Primitive Anti-Shipping Bombs. Rapid Consecutive Takeoffs limited to single squadrons
1924: Improved airgroup handling practices. Primitive deck parks. Anti-Ship Level Bombing. Rapid Consecutive Takeoffs with no more than 25% of the airgroup
1928: armored box carrier Improved Air-Launched Torpedoes. Early Anti-Ship Dive Bombs
1932: Early Deck-Parks, Rapid Consecutive Takeoffs with no more than 50% of the airgroup
1938: Improved Anti-Ship Dive Bombs, Improved deck parks and hanger ventilation. Rapid Consecutive Takeoffs with no more than 75% of the airgroup
1942: Advanced Deck Parks. Advanced Air-Launched Torpedoes. Advanced Anti-Ship Dive Bombs. Rapid Consecutive Takeoffs with 100% of the airgroup.

Cruiser Architecture:
For all years, Cruisers with turrets shall have a composite hull strength > 1.0.
Baseline: guns in single mounts or casemates, on side/centerline
1900: ammunition hoists, deck torpedo armament, superfiring mounts. Cruisers under 6000 tons may have composite hull strength > 0.90
1910: twin gun mounts (require hoists); powered gun mounts; unrestricted weapon armor
1920:  No restriction (high or low) on caliber of turreted guns. Cruisers under 3000 tons may have composite hull strength > 0.75, Cruisers under 8000 tons may have composite hull strength >0.90

Note: effective HY1, 1913: Pre-existing cruisers are grandfathered. If they have a turret and 0.90 hull, presume they have required extra bracing, and the lesson has been learned.

Destroyer, Torpedo Boat, and Motor Torpedo Boat Architecture:
Baseline: single TTs - max 4, displacement 500t
1904: double TTs - max 8, displacement 750t Type A MTB
1908: triple TTs - max 12, displacement 1000t Type B MTB
1912: max displacement 1500t Type C, D MTB
1918: quad TTs, 2000t Type E, F MTB
1924: quintuple tubes, 2,500t Type G, H MTB
1928: Type H, I, J MTB

Mine Warfare:
Baseline: Hand detonated mines. Running into mines with ships.
1897: Primitive Horn Mines
1900: Reliable Horn mines. Primitive paravanes and dragged booms behind small vessels.
1908: Early antenna mines. Advanced paravanes, active charges.
1918: Reliable antenna mines.
1922: Unreliable magnetic mines & countermeasures.


Night Fighting & Remote Sensing Devices:
Baseline: Mk1 Eyeball with limited optical enhancement (eg Binoculars), standard searchlights in regular mountings.
1905: Early Huelsmeyer-type "radar", listening dishes, War tuba's.
1908: Basic tactics, Specialized nighttime acquisition Searchlight mounts, night scopes
1912: Starshells, Improved tactics
1918: Illuminating shells with parachute, improved night scopes
1922: refined Huelsmeyer-type "radar". Short range directional indicator.  Magnetron Research.
1930: Primitive search RADAR. Large and crude. Long range airborne directional indicator.
1934: Improved search RADAR. These would be the first shipboard mounts.
1938: Functional Air & Surface RADAR, Proximity fuses 125mm+
1942: Airborne radars. Limited Night blindfire Fire control RADAR
1946: Full Night blindfire RADAR, Proximity fuses 75mm+

Rangefinding, Fire Control and Gunnery:
Baseline: Local control of individual guns. Limited non-rangefinding magnification equipment for main batteries. Iron sight aiming. 2km All ships equipped w/o misc weight allocation.
1905: Continuous Aim Systems. Short-base rangefinders. Dedicated Spotting infrastructure. Primitive centralization. 6km
1908: Centralized FC, early directors - 10km
1912: Primitive FC computers -14km
1918: Spotting planes, Central director stations, long base-length RF - 24km
1930:  Electromechanical FC computers - 30km

Torpedo Technologies:
Baseline: Spar mounted Torpedo, Primitive Self-Propelled Torpedoes with improvised warheads.
1890: Early Self-Propelled Torpedoes with Compressed Air engines. Primitive warheads. Early contact fuses.
1899: Early Wet Heater engines Early warheads.
1905: Improved Wet Heater engines. Improved fuses
1908: Improved warheads
1913: Advanced Wet Heater engines
1918: Advanced warheads. Advanced contact fuses.
1928: Early Oxygen Torpedoes. Primitive magnetic firing pistols.
1935: Improved Oxygen Torpedoes. Early magnetic firing pistols.
1940: Advanced Oxygen Torpedoes. Improved Magnetic firing pistols. Primitive programmable paths.
1945: Advanced magnetic firing pistols. Early programmable paths. Primitive remote guidance methods.

Submarines and Countermeasures:
1900
1905
1910
1915
1920
1925
1930
1935
1940

Land Units
Baseline: United States Civil War era equipment. Muzzle loading muskets and rifles. Limited number of repeating and breach-loading rifles. Primitive Gatling Guns. Muzzle loading cannon on simple wheeled carriages. Very Primitive single-shot Black Powder rockets.
1880: Victorian era equipment. Black Powder Bolt-Action rifles. Improved Gatling Guns in greater quantity. Improved mobility of field guns. Primitive Breech loading light field pieces.
1895: Spanish American War era equipment. Improved single-shot breechloaders. Smokeless Powder  Bolt-action rifles Primitive rifle-caliber MGs. Proliferation of QF hydraulic recoil carriages for light field pieces.
1905: Pre Great War era equipment. Improved Bolt-action rifles. Rifle-caliber MGs. Improved Breech loading guns. Primitive Recoilless carriages for light field pieces.
1915: Great War era equipment. Advanced Bolt-action rifles. Proliferation of light MGs, sprinkling of heavy MGs. Field mortars. Improvised Short range Anti-Armor equipment. Increase number of heavy guns. Experimental MLRS-style weapons.
1925: Post Great War era equipment. Improving number of man-portable automatic weapons. Proliferation of heavy MGs. Early Specialized short range Anti-Armor equipment. Improved split-tail and towable carriages. Proliferation of hydraulic recoil carriages for heavy field pieces. Primitive and limited use Self-Propelled Carriages for light guns. Primitive Artillery plotting. Primitive MLRS.
1935: Pre WWII era equipment. Semi-automatic rifles common. Early SMGs. Improved  Early Specialised short range Anti-Armor equipment. Light Anti-Armor guns.  Improved plotting integration. Improved Self-Propelled Carriages for light guns. Primitive Self-Propelled MLRS. Primitive Long-Range Rockets.
1945: WWII era equipment. Advanced semi-automatic rifles and SMGs. Early Assault Rifles. Improved Short-range anti-armor equipment. Heavy Anti-Armor guns. Primitive Long-Range anti-armor equipment. Self-Propelled Carriages for all field guns and MLRS. Early Long-Range Rockets.

Aircraft and Countermeasures:
Baseline: None, perhaps a few private experimenters with gliders or hot air balloons.
1902: Up to Historical 1906 aircraft and countermeasures
1906: Up to Historical 1910 aircraft and countermeasures
1910: Up to Historical 1914 aircraft and countermeasures
1914: Up to Historical 1916 aircraft and countermeasures
1918: Up to Historical 1919 aircraft and countermeasures
1922: Up to Historical 1924 aircraft and countermeasures
1926: Up to Historical 1929 aircraft and countermeasures
1930: Up to Historical 1933 aircraft and countermeasures
1934: Up to Historical 1937 aircraft and countermeasures
1938: Up to Historical 1940 aircraft and countermeasures
1942: Up to Historical 1944 aircraft and countermeasures
1946: Up to Historical 1948 aircraft and countermeasures

Amphibious Technology:
Baseline: Lifeboats and the use of enemy harbors.   
               Can offensively  use 3 deployment point / turn. Can launch 1 amphibious invasion / turn.
1905: Shallow draft barges and shallow draft support ships.
               Can offensively use 1/6 deployment points / turn.  Can launch 3 amphibious invasions / turn.
1910: X-Lighters, troop transports
               Can offensively use 1/3 deployment points / turn. Can launch 5 amphibious invasions / turn.
1920: Landing support ships and LST carriers, combat loading.
               Can offensively use 2/3 Deployment points/ turn. Can launch 7 amphibious invasions / turn.
1928: Mulberry harbors and amphibious vehicles.   
               Can offensively use 100% of deployment points/turn. Can launch 9 amphibious invasions / turn.

Clarifications.
Round numbers.
Offensive: Moving Land Units into a Province that's not yours.  Requires a Deployment point in support.
Amphibious Invasion : doing the above over water.
In war, you can amphibiously invade places that aren't ports. Though there are supply constraints.

Logistics:
Baseline: Horsedrawn limbers, covered wagons, foraging. Use of rail networks
1900: Improved coordination. Experimental use of motorised equipment.
1910: Motorized Headquarters and communication units
1920: Motorized logistics trains
1930: Small-scale battlefield transport
1940: Large-scale battlefield transport

Mechanization:
Baseline: None
1905: Experimental. Automatically granted in 1910. Requires 1900 Logistics
1915: Early Armored Cars. Primitive Tanks
1925: Improved Armored Cars, Early Tanks. Primitive APCs
1935: Advanced Armored Cars, Improved Tanks, Early APCs
1945: Advanced Tanks, Improved APCs

Signals/Intelligence:
Baseline: Wax seals, primitive codes.
1895:  Ability to create simple codes.
1900:  Ability to use and break simple codes, bored crews at wireless stations listening to radio traffic
1905:  Basic encoding protocols, dedicated radio and telegraph line listening stations
1912:  Centralized cryptographic institutions, enforced radio discipline, Room 40
1920:  Primitive mechanical encoding/decoding machines etc.