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Wednesday, May 25, 2011
(by paul.malon)1949; illustration by William A. Smith.
(by paul.malon)
1949; illustration by William A. Smith.: "
1949; illustration by William A. Smith.: "
(by paul.malon)
1949; illustration by William A. Smith.
"(via Pulp International - Photos of US nuclear test on Bikini...
(via Pulp International - Photos of US nuclear test on Bikini...: "
(via Pulp International - Photos of US nuclear test on Bikini Atoll)
"Photo of a U.S. nuclear test conducted at Bikini Atoll in the South Pacific, the bomb having been dropped from a plane flying about 12,000 feet up, today 1956.
thevictorianist:Thomas Edison with his second phonograph...
thevictorianist:
Thomas Edison with his second phonograph...: "
Thomas Edison with his second phonograph...: "
"Thomas Edison with his second phonograph photographed by Matthew Bradyin Washington, April 1878.
Thomas Alva Edison conceived the principle of recording and reproducing sound between May and July 1877 as a byproduct of his efforts to “play back” recorded telegraph messages and to automate speech sounds for transmission by telephone. He announced his invention of the first phonograph, a device for recording and replaying sound, on November 21, 1877, and he demonstrated the device for the first time on November 29 (it was patented on February 19, 1878 as US Patent 200,521). “In December, 1877, a young man came into the office of the SCIENTIFIC AMERICAN, and placed before the editors a small, simple machine about which very few preliminary remarks were offered. The visitor without any ceremony whatever turned the crank, and to the astonishment of all present the machine said : ” Good morning. How do you do? How do you like the phonograph?” The machine thus spoke for itself, and made known the fact that it was the phonograph…”
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