Who invented the phonograph?
Answer: B
Thomas Edison invented it.
He sketched the phonograph in 1877 and gave the drawing to his mechanic John Kruesi, who built the machine in about thirty hours. Edison recited 'Mary had a little lamb' into it, and was astonished when it played back.
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Who Invented Modern Frequency Modulation FM Radio ?
Answer: C
Edwin H. Armstrong invented FM radio.
He demonstrated frequency modulation in 1933, which gave far better sound and immunity to the static that ruined AM reception in storms. RCA obstructed it for years, and Armstrong took his own life in 1954 in the middle of the litigation.
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Who invented the safety razor?
Answer: C
King C. Gillette invented it.
He patented the disposable double-edged blade in 1904, having reasoned that a fortune lay in something the customer used once and threw away. The razor was sold cheaply and the blades dear - the model many industries have used since.
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What did Sir Isaac Newton invent?
Answer: B
Newton invented the reflecting telescope.
He built it in 1668, using a curved mirror instead of a lens to avoid the coloured fringing that refractors suffered. Every large telescope since has used mirrors. The marine chronometer was John Harrison's work.
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FM radio was invented by
Answer: A
Edwin H. Armstrong invented FM radio.
He demonstrated frequency modulation in 1933, which gave far better sound and immunity to the static that ruined AM reception in storms. RCA obstructed it for years, and Armstrong took his own life in 1954 in the middle of the litigation.
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What George Pullman invented?
Answer: A
George Pullman invented the sleeping car.
He built the Pioneer in 1864, with folding upper berths and seats that made into beds. Its use in the funeral train of Abraham Lincoln in 1865 made his name.
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What furniture item was invented by California furniture designer Charles Prior Hall in 1968?
Answer: C
It was the waterbed.
Charles Prior Hall made it in 1968 as a design student's project in San Francisco, having first tried filling a mattress with cornstarch and then with jelly. The courts later held his patent invalid, since Robert Heinlein had described a waterbed in a novel of 1961.
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Which of the following inventions were done by Thomas Alva Edison?
Answer: D
All of these are his.
Edison patented the phonograph in 1878, the carbon transmitter that made the telephone practical, and the first commercially viable incandescent lamp in 1879. He held 1,093 United States patents.
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What African-American inventor received 5 patents in the field of shoemaking?
Answer: B
It was Jan Ernst Matzeliger.
Born in Surinam and working in Lynn, Massachusetts, he patented a lasting machine in 1883 that shaped the upper of a shoe over the last and attached it to the sole. Skilled hand lasters had managed fifty pairs a day; his machine did seven hundred.
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Where is the village of Branston, after which the famous pickle is named?
Answer: C
Branston is in Staffordshire.
Crosse and Blackwell began making the pickle at a factory in the village near Burton upon Trent in 1922, and the name stayed with the product even after production moved to Bury St Edmunds.
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