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A flip clock (also known as a "flap clock") is an electromechanical, digital time keeping device with the time indicated by numbers that are sequentially revealed by a split-flap display. The study, collection and repair of flip clocks is termed horopalettology (from horology – the study and measurement of time and palette – and the Italian ...
Admiral radio-phonograph, c. 1950, at the Lamar County Historical Museum. In 1934 in Chicago, Illinois, Ross Siragusa founded Continental Radio and Television Corporation (CRTC), which produced consumer electronics such as radios and phonographs. [1] The radios were designed and produced by Radio Products Corporation (RPC), owned by Irwin J ...
General Electric in Schenectady, New York, aerial view, 1896 Plan of Schenectady plant, 1896 [19] General Electric Building at 570 Lexington Avenue, New York. During 1889, Thomas Edison (1847–1931) had business interests in many electricity-related companies, including Edison Lamp Company, a lamp manufacturer in East Newark, New Jersey; Edison Machine Works, a manufacturer of dynamos and ...
Today's radios are usually uneconomical to repair because mass production and technological improvements in numerous areas have made them so inexpensive to buy, while the cost of human labor and workshop overheads have increased greatly in comparison. Typical insides of an antique radio, showing the vacuum tubes.
Telechron—now the "Clock and Timer Division" of GE—declined in the 1950s, mainly because batteries had become much more long-lived and reliable. Battery-powered clocks have the obvious advantage of not depending on the proximity of a power outlet, and do not require the often somewhat unattractive electric cable.
Conservation experts advise clocks need to be serviced regularly. A clock is a complex mechanical contraption made of a variety of materials and with many small moving parts. [10] Even under perfect conditions lubricants deteriorate. Clocks should be examined and re-lubricated every three years.
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C. Crane Skywave SSB Battery Operated Portable Travel Radio AM, FM, Shortwave, NOAA Weather Alert, Scannable VHF Aviation Band and Single Side Bands. C. Crane is an American electronics retailer based in Fortuna, California. The company mainly deals in specialty radio and lighting equipment and is best known for its GeoBulb line of LED light bulbs.