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Inventions

Inventions
Who invented the phonograph?

John Kruesi
Alexander Graham Bell
Jules Levy
Thomas Edison

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Inventions
What device for new parents did Ann Moore invent in 1969?

Baby monitor
Disposable diaper
Infant carrier
Bottle warmer

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Inventions
What now-ubiquitous device was invented by Zenith engineer Eugene Polley in 1955?

Calculator
VCR
Microwave oven
Remote control

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Inventions
For what is Charles Babbage (1792-1871) remembered?

Radio-Telegraphy
Computers
Telescopes
Steam Boating

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Inventions
FROZEN FOOD - Who discovered the first practical method of freezing food?

G. Findus
C. Birdsey
F. Rozenosh
R. Scott

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Inventions
In which decade were the first successful diode and triode vacuum tubes invented?

1890s
1800s
1900s
1880s

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MORE MCQ ON Inventions

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