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  2. Telechron - Wikipedia

    en.wikipedia.org/wiki/Telechron

    Telechron electric alarm clock. Telechron alarm clocks are particularly popular with collectors. Until about 1940, the overwhelming majority of Telechron alarm clocks had bell alarms. The entire mechanism was enclosed in a bell housing of steel. Atop the clock's coil was a metal strip that vibrated at 60 cycles per second when the alarm was ...

  3. List of United States clock companies - Wikipedia

    en.wikipedia.org/wiki/List_of_United_States...

    Salem Clock Company; Hartford, Connecticut; Sangamo Electric Company; Springfield, Illinois (1899–1931) Self Winding Clock Company; New York City, New York (1886-1970) Sempire Clock Company; St.Louis, Missouri (1897-1908) Seth Thomas Clock Company (1807–Present) Sessions Clock Company; Bristol, Connecticut (1903–1969)

  4. Henry E. Warren - Wikipedia

    en.wikipedia.org/wiki/Henry_E._Warren

    In 1940, Warren invented the "singing clock", which instead of a pendulum had a vibrating metal string. [2] General Electric acquired a half interest in Telechron in 1929, and full interest in 1943. [2] Telechron's clocks remained popular into the 1950s; the company eventually went out of business in 1992.

  5. Alarm clock - Wikipedia

    en.wikipedia.org/wiki/Alarm_clock

    This is an accepted version of this page This is the latest accepted revision, reviewed on 23 January 2025. Type of clock A traditional wind-up (key-wound), mechanical spring-powered alarm clock An alarm clock or alarm is a clock that is designed to alert an individual or group of people at a specified time. The primary function of these clocks is to awaken people from their night's sleep or ...

  6. Daylight Saving Time: How to set the clock on anything - AOL

    www.aol.com/news/2010-03-12-daylight-saving-time...

    On Sunday clocks around the country will "Spring Ahead" an hour to mark the beginning of Daylight Saving Time. For most of these clocks, on newer devices connected to the Internet, will update to ...

  7. Electric Time Company - Wikipedia

    en.wikipedia.org/wiki/Electric_Time_Company

    It was founded by a salesman for the Self Winding Clock Company and Telechron of Ashland, Massachusetts. Originally part of Telechron it progressed from an office in Boston, Massachusetts to manufacturing facilities in Wellesley, Massachusetts ; South Natick, Massachusetts ; and, currently, a 50,000 square foot (4,600 m 2 ) manufacturing ...

  8. 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.

  9. GE Security - Wikipedia

    en.wikipedia.org/wiki/GE_Security

    GE Security was a division of General Electric's GE Enterprise Solutions.It was acquired by UTC on March 1, 2010, and became part of UTC Fire & Security. [1] GE Security's division provides intrusion alarm systems, integrated security systems, fire systems, access control, video surveillance, explosives and illegal drug detection, key control/lockbox, fiber optic transmission, machine guarding ...