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Technologically and commercially, the wirephoto was the successor to Ernest A. Hummel 's Telediagraph of 1895, which had transmitted electrically scanned shellac -on-foil originals over a dedicated circuit connecting the New York Herald and the Chicago Times Herald, the St. Louis Republic, the Boston Herald, and the Philadelphia Inquirer. [1] [2]
BS 6312 431A plug, colloquially a British Telecom 4-wire male plug. British telephone sockets were introduced in their current plug and socket form on 19 November 1981 by British Telecom to allow subscribers to connect their own telephones. The connectors are specified in British Standard BS 6312. [ 1][ 2][ 3] Electrical characteristics of the ...
BS 1363 three-pin (rectangular) plugs and sockets. BS 1363 is a British Standard which specifies the common single-phase AC power plugs and sockets that are used in the United Kingdom. Distinctive characteristics of the system are shutters on the line and neutral socket holes, and a fuse in the plug.
Spain. Madrid. State-owned enterprise. JTA. Jewish Telegraphic Agency. USA. New York. Not-for-profit news agency [4]
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Telegraphy is the long-distance transmission of messages where the sender uses symbolic codes, known to the recipient, rather than a physical exchange of an object bearing the message. Thus flag semaphore is a method of telegraphy, whereas pigeon post is not. Ancient signalling systems, although sometimes quite extensive and sophisticated as in ...
A covert listening device, more commonly known as a bug or a wire, is usually a combination of a miniature radio transmitter with a microphone. The use of bugs, called bugging, or wiretapping is a common technique in surveillance, espionage and police investigations. Self-contained electronic covert listening devices came into common use with ...
The fuses used in fuseboxes were either of the cartridge type, similar to those found in UK plugs, or replaceable fuse-wire held within two-prong enclosures. Other standard use of fuses include within appliance plugs, and one called the main fuse located at the end of the service (supply) cable (at the service head). Breaker (circuit breaker, CB)
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