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Inventions

Inventions
When was the Raggedy Ann doll patented?

1919
1920
1915
1911

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Inventions
In which decade was the telegraph invented?

1840s
1810s
1870s
1890s

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Inventions
The Manhattan Project was started by President Roosevelt in 1942 to ensure that the U.S. beat the Germans in developing a nuclear bomb. Whom did Roosevelt appoint as scientific head the Manhattan Project?

Robert Oppenheimer
James B. Conant
Vannevar Bush
Leslie R. Groves

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Inventions
Who invented the first controllable flying AEROPLANE (AIRPLANE)?

South Brothers
Wright Brothers
Lidenbergh Brothers
West Brothers

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Inventions
Who came up with the idea for INSTANT MASHED POTATO?

K. Edwards
W. Raleigh
E. Asselbergs
S. Tuberosum

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

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

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