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  2. Telechron - Wikipedia

    en.wikipedia.org/wiki/Telechron

    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.

  3. Electric clock - Wikipedia

    en.wikipedia.org/wiki/Electric_clock

    Zamboni's clock had a vertical needle supported by a pivot and was so energy efficient that it could operate on one battery for over 50 years. In 1840, Alexander Bain, a Scottish clock and instrument maker was the first to invent and patent a clock powered by electric current. His original electric clock patent is dated October 10, 1840.

  4. Clock - Wikipedia

    en.wikipedia.org/wiki/Clock

    The electric clock was patented in 1840, and electronic clocks were introduced in the 20th century, becoming widespread with the development of small battery-powered semiconductor devices. The timekeeping element in every modern clock is a harmonic oscillator, a physical object that vibrates or oscillates at a particular frequency. [2]

  5. Kit-Cat Klock - Wikipedia

    en.wikipedia.org/wiki/Kit-Cat_Klock

    The words "Kit-Cat" were added to the clock's face in 1982. The original clocks were AC-powered, but due to scarcity of American-made AC motors, the clock was redesigned for battery power in the late 1980s. [3] The manufacturer estimates that an average of one clock has been sold every three minutes for the last 50 years. [4]

  6. Clockwork - Wikipedia

    en.wikipedia.org/wiki/Clockwork

    The earliest known example of a clockwork set-up is the Antikythera mechanism.This device functioned as a geared analogue computer after its creation during the first-century BCE timeframe, being somewhat astrolabe-like, and had gotten designed for calculating astronomical positions and particularly listing eclipses.

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