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Inventions

Inventions
When were bar code scanners invented?

1950s
1970s
1940s
1960s

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Inventions
For what does the world owe Almon Strowger a debt of gratitude?

Parking Meters
Traffic Lights
Vending Machines
Automatic Telephone Exchanges

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Inventions
What piece of clothing was invented by French fashion designer Louis Reard in 1946?

Zoot suit
Bikini
Tank top
Mini-skirt

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Inventions
Who among the following invented the small pox vaccine?

Edward Jenner
Robert Hooke
Robert Koch
Louis Pasteur

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Inventions
When was the Raggedy Ann doll patented?

1920
1911
1919
1915

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Inventions
What James Watt invented?

Diving bell
Hot air balloon
Steam boat
Rotary steam engine

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