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Inventions

Inventions
In which decade was the transistor invented?

1960s
1980s
1950s
1940s

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Inventions
The initials JCB on earth-moving equipment are those of the founder of the company that makes it. What is his name?

John Christopher Baxter
Jack Croxford Baker
Joseph Cyril Bamford
John Christopher Ballantyne

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Inventions
Who invented the phonograph?

Jules Levy
Thomas Edison
Alexander Graham Bell
John Kruesi

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Inventions
When was the game Frisbee invented?

1900s
1870s
1890s
1920s

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Inventions
Ralph Samuelson was only 18 when he invented this sporting item in 1922. What was that?

Water skis
Golf tee
Hang glider
Motorboat

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

Parking Meters
Vending Machines
Traffic Lights
Automatic Telephone Exchanges

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