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Transportation
(Naval Architecture,Structural Engineer) |
Electricity
(Physics, Electricity) |
Space suit
(4,-3) |
Hand Lamp
(3,-3) |
Submarine
(10,3) |
Batteries
(5,-3) |
Heavy Tractor
(14,2) |
Electric Engine
(10,-1) |
Diving Suit
(16,2) |
Long Wire Power
(15,2) |
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Biochemistry
(Chemistry, Biology) |
The Ether
(Physics, Electricity) |
Preserved Food
(4,-2) |
Ether Propeller
(5,-1) |
Aspirin
(12,-1) |
Ether Sail
(7,1) |
Sleep Gas
(16,1) |
Etherometer
(10,-3) |
Antibiotic
(22,2) |
Ether Propeller Governor
(12,1) |
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Optics
(Physics, Machinist) |
Geology and Metallurgy
(Geology, Chemistry) |
Telescope
(5,-3) |
Superhard Steel
(15,1) |
|
Range Finder
(15,1) |
Rustless Iron
(22,-3) |
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Woven Steel
(26,1) |
Flight
(Physics, Naval Architecture) |
Mineral Detector
(32,1) |
Hydrogen Lift
(5,1) |
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Personal Conveyor
(8,1) |
Precision Machinery
(Structural Engineer, Machinist) |
Glider
(15,5) |
Torpedo
(5,3) |
Parachute
(15,3) |
Orrery
(7,1) |
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Quick-Firing Gun
(9,3) |
Power Production
(Steam, Physics) |
Gyroscope
(15,2) |
Forced Draught Boiler
(4,-2) |
Analytical Engine
(26,3) |
Petrol Boiler
(6,1) |
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Solar Boiler
(8,1) |
Combustion
(Explosives,Chemistry) |
Internal Combustion Engine
(10,2) |
Fuel Refiner
(5,-4) |
Steam Turbine
(15,3) |
Smokeless Powder
(7,-2) |
|
Liquid Fire
(15,-4) |
|
Welding
(12,-2) |
|
Detonite
(20,4) |
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