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The following is a list of American companies that produced, or currently produce clocks. Where known, the location of the company and the dates of clock manufacture follow the name. Samuel Abbott; Montpelier, Vermont (1830–1861) Ansonia Clock Company; Ansonia, Connecticut and Brooklyn, New York (1851–1929)
The Self Winding Clock Company (SWCC) was a major manufacturer of electromechanical clocks from 1886 until about 1970. [1] Based in New York City, the company was one of the first to power its clocks with an electric motor instead of winding by hand. A patented clock mechanism automatically rewinds the main spring each hour by the small ...
Cox's timepiece is a clock developed in the 1760s by James Cox. It was developed in collaboration with John Joseph Merlin (with whom Cox also worked on developing automata ). Cox claimed that his design was a true perpetual motion machine , but as the device is powered from changes in atmospheric pressure via a mercury barometer , this is not ...
In 1851 the Ansonia Clock Company was formed [2] as a subsidiary of the Ansonia Brass Company by Phelps and two Bristol, Connecticut, clockmakers, Theodore Terry and Franklin C. Andrews. Terry & Andrews were the largest clock manufacturers in Bristol, with more than 50 employees using 58 tons of brass in the production of about 25,000 clocks in ...
Harwood self-winding watch. In 1923, supported by a local businessman, he developed a self-winding wristwatch and applied for a patent in Switzerland , which was granted in September, 1924. His design ensured that the watch could be hermetically sealed against the ingress of water or dust.
The watch was an 18-size, full plate design. In 1869, the National Watch Company won "Best Watches, Illinois Manufacture" at the 17th Annual Illinois State Fair, for which it won a silver medal. [3] The company officially changed its name to the Elgin National Watch Company in 1874, as the Elgin name had come into common usage for their watches.
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The Seth Thomas Clock Company was founded by Seth Thomas in Plymouth Hollow, Connecticut, and began producing clocks in 1813. [1] It was incorporated as the "Seth Thomas Clock Company" in 1853. [ citation needed ] Plymouth Hollow, a part of the town of Plymouth, was incorporated in 1875 as the town of Thomaston , named for Seth Thomas.