Industry technology

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One-Time Techs

Name Prerequisite Difficulty Research Bonus Year Knowledge on Completion Effects
Advanced Construction Engineering Industrial Efficiency - 3
Industrial Production - 3
2 Mechanical Engineering Theory 0.5
Construction Practical 0.5
1938 Mechanical Engineering Theory Infrastructure - Activated
Atomic Research 10 Nuclear Physics 1.0 1936 Nuclear Physics None
Census Tabulation Machine 2 Mechanical Engineering Theory 1.0 1936 Mechanical Engineering Theory Research Efficiency +2%
Construction Engineering 2 Mechanical Engineering Theory 0.5
Construction Practical 0.5
1918 Mechanical Engineering Theory Industrial Capacity - Activated
Electronic and Mechanical Engineering 2 Electronic Engineering Theory 0.5
Mechanical Engineering Theory 0.5
1926 Electronic Engineering Theory None
Isotope Separation Nuclear Research 10 Nuclear Physics 1.0 1942 Nuclear Physics None
Nuclear Research Atomic Research 10 Nuclear Physics 1.0 1940 Nuclear Physics None
Radio Detection Equipment Radio Technology 2 Electronic Engineering Theory 0.5
Mechanical Engineering Theory 0.5
1936 Electronic Engineering Theory Allow radar installations to work as listening stations
Radios Radio Technology 2 Electronic Engineering Theory 0.5
Mechanical Engineering Theory 0.5
1936 Electronic Engineering Theory Combat Efficiency +10%
Encryption Ability -0.2
Radio Technology Electronic and Mechanical Engineering 2 Electronic Engineering Theory 0.5
Mechanical Engineering Theory 0.5
1930 Electronic Engineering Theory None
Rocket Engine Rocket Tests
Rocket Test Site in Any Owned Province
4 Rocket Science 1.0 1936 Rocket Science Rocket Test Site - Activated
Rocket Tests 4 Rocket Science 1.0 1939 Rocket Science None
Theoretical Jet Engine Rocket Engine 4 Rocket Science 1.0 1939 Jet Engine Theory None

Scaled Techs

Maximum level of 12

Name Prerequisite Difficulty Research Bonus Start Year First Offset Additional Offset Knowledge on Completion Effects
Agriculture 1 Mechanical Engineering Theory 1.0 1918 1932 2 Mechanical Engineering Theory Manpower +10%
Civil Defence 5 Land Combat Experience 1.0 1936 1939 3 Land Combat Experience Repair Rate +5%
Civil Nuclear Research Isotope Separation 10 Nuclear Physics 1.0 1943 1944 1 Nuclear Physics Nuclear Reactor - Activated
Coal Processing Technologies 5 Chemical Engineering 1.0 1936 1938 3 Chemical Engineering Energy Production +5%
Coal to Oil Conversion 5 Chemical Engineering 1.0 1936 1938 3 Chemical Engineering Energy to Oil +10%
Combat Medicine 2 Land Combat Experience 1.0 1938 1939 3 Land Combat Experience Casualty Trickleback +1%
Decryption Machine Mechanical Computing Machine - 1 OR (Electronic Computing Machine AND Decryption Machine < 3) 2 Electronic Engineering Theory 0.5
Mechanical Engineering Theory +0.5
1938 1940 3 Electronic Engineering Theory Decryption Ability +0.1
Education 5 Land Combat Experience 1.0 1936 1938 3 Land Combat Experience Leadership +5%
Electronic Computing Machine Mechanical Computing Machine - 2 4 Electronic Engineering Theory 1.0 1941 1943 3 Electronic Engineering Theory Research Efficiency +5%
Encryption Machine Mechanical Computing Machine - 1 OR (Electronic Computing Machine AND Decryption Machine < 3) 2 Electronic Engineering Theory 0.5
Mechanical Engineering Theory +0.5
1938 1940 3 Electronic Engineering Theory Encryption Ability +0.1
First Aid 2 Land Combat Experience 1.0 1938 1939 3 Land Combat Experience Attrition -5%
Heavy AA guns 2 Artillery Practical 0.7
Artillery Theory 0.3
1918 1936 3 Artillery Theory Anti-Aircraft Guns - Activated
Provincial AA Efficiency +20%
Industrial Efficiency 2 Mechanical Engineering Theory 0.5
Construction Practical +0.5
1918 1932 2 Mechanical Engineering Theory IC Efficiency +2.5%
Industrial Production 2 Mechanical Engineering Theory 0.5
Construction Practical +0.5
1918 1932 2 Mechanical Engineering Theory IC +2.5%
Oil Refining 5 Chemical Engineering 1.0 1936 1938 3 Chemical Engineering Refining Efficiency +10%
Mechanical Computing Machine Census Tabulation Machine 3 Mechanical Engineering Theory 1.0 1938 1940 3 Mechanical Engineering Theory Research Efficiency +2%
RADAR Radio Technology 3 Mechanical Engineering Theory 0.5
Construction Practical +0.5
1939 1940 2 Electronic Engineering Theory Radar Station - Activated
Radar Efficiency +5
Rare Materials Refining Techniques 5 Chemical Engineering 1.0 1936 1938 3 Chemical Engineering Rare Materials Production +5%
Steel Production 5 Chemical Engineering 1.0 1936 1938 3 Chemical Engineering Metal Production +5%
Supply Production 2 Mechanical Engineering Theory 1.0 1918 1932 2 Mechanical Engineering Theory Supplies Production +5%
Supply Organisation 5 Land Combat Experience 1.0 1936 1938 2 Land Combat Experience Supply Throughput +5%
Supply Transportation 5 Land Combat Experience 1.0 1936 1938 2 Land Combat Experience Supply Transfer Cost -0.01

Note, Allow trigger on Decryption Machine and Encryption Machine is likely a bug

Note, Supply Transportation, Supply Organisation, and Civil Defence actually appear on the page for Theory technology in-game.