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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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Who invented the Microscope?
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Who invented the Nylon?
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Which company is ahead in Atom Bomb innovations?
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What year was Electronic Computer invented and how?
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Which company is ahead in Antiseptic innovations?
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1106 views
When and who invented the Airplane?
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1681 views
Who invented the Microscope (Electron)?
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What year was Dental Plate (rubber) invented and how?
Anonymous User asked 7 years ago
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946 views
Who invented the Linoleum?
Anonymous User asked 7 years ago
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Which company is ahead in Launderette innovations?
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576 views
When and who invented the Adding Machine?
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489 views
When and who invented the Transformer (induction coil)?
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Which company is ahead in Streetcar (electric) innovations?
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404 views
Who invented the Porcelain?
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470 views
Who invented the Food Frozen?
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What year was Sewing Machine invented and how?
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493 views
Who invented the Diesel Engine?
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518 views
What year was Spinning Frame invented and how?
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727 views
What year was Paper invented and how?
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525 views
Who invented the Gyro-Compass?
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444 views
What year was Dental Plate invented and how?
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Which company is ahead in Glassware innovations?
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496 views
Who invented the Watch (self-winding)?
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What year was Stethoscope invented and how?
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Who invented the Variable Wing?
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What year was Writing invented and how?
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Who invented the Atom Bomb?
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What year was Loom (power) invented and how?
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Which company is ahead in Microscope (Electron) innovations?
Anonymous User asked 7 years ago
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