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A torsion pendulum clock, more commonly known as an anniversary clock or 400-day clock, is a mechanical clock which keeps time with a mechanism called a torsion pendulum. This is a weighted disk or wheel, often a decorative wheel with three or four chrome balls on ornate spokes, suspended by a thin wire or ribbon called a torsion spring (also ...
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.
[11] [13] Within 30 minutes, he had assembled the first prototype of his most well-known invention, the wind-up radio. [11] The original prototype included a small transistor radio, an electric motor from a toy car, and the clockwork mechanism from a music box. [14] Baylis filed his first patent in 1992. [15]
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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.
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Director for Network Rail’s West Coast South route, Gary Walsh, said: "We’re working as quickly as possible to repair the extensive damage caused by Storm Bert at Northampton station.
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