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What year was Propeller (ship) invented and how?
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Who invented the Spinning Jenny?
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What year was Spinning Jenny invented and how?
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What year was Synthesizer invented and how?
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Which company is ahead in Airship (rigid) innovations?
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What year was Rubber (latex foam) invented and how?
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Who invented the Chlorine?
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What year was Match (Safety) invented and how?
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Who invented the Steam Engine (condenser)?
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Who invented the Tank (military)?
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What year was Dacron invented and how?
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When and who invented the Tractor (1st gasoline/petrol powered engine)?
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What year was Rubber (waterproof) invented and how?
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1053 views
Who invented the Microscope?
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386 views
Who invented the Nylon?
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477 views
Which company is ahead in Atom Bomb innovations?
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949 views
What year was Electronic Computer invented and how?
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Which company is ahead in Antiseptic innovations?
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1057 views
When and who invented the Airplane?
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1619 views
Who invented the Microscope (Electron)?
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What year was Dental Plate (rubber) invented and how?
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912 views
Who invented the Linoleum?
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Which company is ahead in Launderette innovations?
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547 views
When and who invented the Adding Machine?
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443 views
When and who invented the Transformer (induction coil)?
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477 views
Which company is ahead in Streetcar (electric) innovations?
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Who invented the Porcelain?
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Who invented the Food Frozen?
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What year was Sewing Machine invented and how?
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Who invented the Diesel Engine?
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What year was Spinning Frame invented and how?
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What year was Paper invented and how?
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Who invented the Gyro-Compass?
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427 views
What year was Dental Plate invented and how?
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Which company is ahead in Glassware innovations?
Anonymous User asked 7 years ago
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