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A Roskopf, pin-lever, or pin-pallet escapement is an inexpensive, less accurate version of the lever escapement, used in mechanical alarm clocks, kitchen timers, mantel clocks and, until the 1970s, cheap watches now known as pin lever watches. It was popularized by German watchmaker Georges Frederic Roskopf in its "proletarian watch" from 1867 ...
Bulova claims to have been the first manufacturer to offer electric clocks beginning in 1931, but the Warren Telechron Company began selling electric clocks in 1912, 19 years prior to Bulova. In the 1930s and 1940s, the brand was a huge success with its rectangular plated watches whose case was strongly curved to better fit the curve of the wrist.
Wittnauer movements were at the beginning generally made for them by Swiss firms (Revue Thommen and others), while in later years Wittnauer used a number of different sources for their movements. The company began as a small family business, catering to the ever-growing world of both scientific and private exploration, which gained them a ...
Max Hetzel (born 1921), Swiss physician, Biel, Bulova Accutron. Hans Lang (1924–2013), German watchmaker, astronomical clocks. George Daniels (1926–2011), , English watchmaker, Master of the Worshipful Company of Clockmakers., Inventor of the coaxial escapement. Richard Mühe (1929–2009), German watchmaker, Furtwangen.
The following is a list of notable companies that produced, or currently produce clocks. Where known, the location of the company and the dates of clock manufacture follow the name. In some instances the "company" consisted of a single person.
The strong colors gave the alarm clocks a friendly look. Countless shapes were created so that everyone could find "their" alarm clock. The alarm movement was also improved: there were alarm clocks with a repeater, inflated tone, or soft movement. Thanks to railroads and automobiles, the alarm clock was often used on trips. There are travel ...
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