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Inventions

Inventions
Who invented the battery?

John Wilkinson
James Hargreaves
Thomas Edison
Alessandro Volta

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Inventions
Who invented Gramophone?

Sir Alexander Graham Bell
Thomas Alva Edison
Michael Faraday
Fahrenheit

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Inventions
When were bar code scanners invented?

1950s
1970s
1960s
1940s

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Inventions
What Benjamin Franklin invented?

Bifocal spectacles
Hygrometer
Radio
Barometer

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Inventions
What invention is credited to the Russian born American inventor Vladimir Kosma Zworykin?

Television
Telegraph
Radio
Dishwasher

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Inventions
What 'game' was first produced by the Southern Novelty Company in Baltimore, Maryland in 1892?

Frisbee
Ping Pong
Monopoly
Ouija board

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