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When and who invented the Spectacles (or eyeglasses)?
Anonymous User asked 7 years ago
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When and who invented the Transistor?
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Which company is ahead in Arc Lamp innovations?
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Who invented the Record (long-playing)?
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What year was Bunsen Burner invented and how?
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Who invented the Phonograph?
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Which company is ahead in Record (long-playing) innovations?
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Who invented the Telephone?
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What year was Margarine invented and how?
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When and who invented the Silk Manufacture?
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Who invented the Ship (sea-going)?
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When and who invented the Rayon?
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What year was Clock (pendulum) invented and how?
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811 views
Who invented the Washing Machine (electric)?
Anonymous User asked 7 years ago
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1193 views
What year was Microphone invented and how?
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793 views
Who discover Fluroine?
Anonymous User asked 7 years ago
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919 views
Who invented the Bullet?
Anonymous User asked 7 years ago
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810 views
What year was Windmill invented and how?
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What year was Film (musical) invented and how?
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What year was Laws of Gravitation and Motion invented and how?
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1023 views
What year was Atom Bomb invented and how?
Anonymous User asked 7 years ago
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895 views
When and who invented the Zip Fastener?
Anonymous User asked 7 years ago
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794 views
Who invented the Ship (steam)?
Anonymous User asked 7 years ago
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781 views
What year was Food Frozen invented and how?
Anonymous User asked 7 years ago
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773 views
Which company is ahead in Razor (Electric) innovations?
Anonymous User asked 7 years ago
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854 views
Who invented the Chain Drive?
Anonymous User asked 7 years ago
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Who invented the Electronic Computer?
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Which company is ahead in Aspirin innovations?
Anonymous User asked 7 years ago
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1127 views
What year was Safety Pin invented and how?
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What year was Steel Production invented and how?
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845 views
What year was Fluroine invented and how?
Anonymous User asked 7 years ago
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776 views
Who invented the Automobile (steam)?
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754 views
Who invented the Glass (stained)?
Anonymous User asked 7 years ago
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830 views
Who invented the Match (Safety)?
Anonymous User asked 7 years ago
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729 views
Who invented the Glassware?
Anonymous User asked 7 years ago
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