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In 1940, Warren invented the "singing clock", which instead of a pendulum had a vibrating metal string. [2] General Electric acquired a half interest in Telechron in 1929, and full interest in 1943. [2] Telechron's clocks remained popular into the 1950s; the company eventually went out of business in 1992.
Jens Olsen (27 July 1872 – 17 November 1945) was a clockmaker, locksmith and astromechanic who built the famous world clock located in the city hall of Copenhagen, the Rådhus. He was born in Ribe, Denmark. Ever since he was a small child, Olsen was interested in clocks and other mechanical devices.
Sometimes inventions are invented by several inventors around the same time, or may be invented in an impractical form many years before another inventor improves the invention into a more practical form. Where there is ambiguity, the date of the first known working version of the invention is used here.
The Clock (UK title Under the Clock) is a 1945 American romantic drama film starring Judy Garland and Robert Walker and directed by Garland's future husband, Vincente Minnelli. This was Garland's first dramatic role, as well as her first starring vehicle in which she did not sing.
The tower clock of Norwich Cathedral constructed c. 1273 (reference to a payment for a mechanical clock dated to this year) is the earliest such large clock known. The clock has not survived. [ 95 ] The first clock known to strike regularly on the hour, a clock with a verge and foliot mechanism, is recorded in Milan in 1336. [ 96 ]
Zuse's 1936 patent application (Z23139/GMD Nr. 005/021) also suggested a 'von Neumann' architecture (re-invented about 1945) with program and data modifiable in storage. Originally the machine was called the 'V1' but retroactively renamed after the war, to avoid confusion with the V-1 flying bomb. It worked with floating-point numbers (7-bit ...
The Thing, also known as the Great Seal bug, was one of the first covert listening devices (or "bugs") to use passive techniques to transmit an audio signal. It was concealed inside a gift given by the Soviet Union to W. Averell Harriman , the United States Ambassador to the Soviet Union , on August 4, 1945.
Cuckoo clock, a so-called Jagdstück ("hunt piece"), Black Forest, c. 1900, Deutsches Uhrenmuseum, Inv. 2006-013. A cuckoo clock is a type of clock, typically pendulum driven, that strikes the hours with a sound like a common cuckoo call and has an automated cuckoo bird that moves with each note. Some move their wings and open and close their ...