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A speaking clock or talking clock is a live or recorded human voice service, usually accessed by telephone, that gives the correct time. The first telephone speaking clock service was introduced in France, in association with the Paris Observatory, on 14 February 1933. [1] The format of the service is similar to that of radio time signal services.
Talking clock. A talking clock (also called a speaking clock and an auditory clock) is a timekeeping device that presents the time as sounds. It may present the time solely as sounds, such as a phone-based time service (see "Speaking clock") or a clock for the visually impaired, or may have a sound feature in addition to an analog or digital face.
The "Experimental Talking Clock" was recorded c. 1878 by inventor Frank Lambert.It was long thought to be the world's oldest playable sound recording and is listed in both the Guinness Book of World Records and The Encyclopedia of Recorded Sound as such; however, an older phonautogram recording of Au clair de la lune from 1860 by Édouard-Léon Scott de Martinville was reproduced for the first ...
The complete Experimental Talking Clock recording. Francois Lambert (13 June 1851 – 1937) was a French American inventor. Lambert is perhaps best known today for making the oldest sound recording reproducible on its own device (1878) on his own version of the phonograph.
Ethel Jane Cain (1 May 1909 – 19 September 1996) was a British telephonist and actress, and the original voice of the speaking clock in the United Kingdom.. Working at London's Victoria Exchange, she was appointed on 21 June 1935 following a competition among GPO telephonists; there were nine finalists in total and the adjudication panel included leading actress Sybil Thorndike and Poet ...
OCLC. 183660066. Longitude: The True Story of a Lone Genius Who Solved the Greatest Scientific Problem of His Time is a 1995 best-selling book by Dava Sobel about John Harrison, an 18th-century clockmaker who created the first clock (chronometer) sufficiently accurate to be used to determine longitude at sea—an important development in ...
Phonograph. Illustration of a typical modern turntable: here showing the curved tonearm with a headshell at the end, under which lies the magnetic cartridge and its attached stylus touching down on the grooves of a black record placed on the turntable's platter. A phonograph, later called a gramophone (as a trademark since 1887, as a generic ...
The invention of the verge and foliot escapement in c.1275 [87] was one of the most important inventions in both the history of the clock [88] and the history of technology. [89] It was the first type of regulator in horology. [6] A verge, or vertical shaft, is forced to rotate by a weight-driven crown wheel, but is stopped from rotating freely ...