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The French inventor Antoine Redier was the first to patent an adjustable mechanical alarm clock, in 1847. [ 12 ] Alarm clocks, like almost all other consumer goods in the United States, ceased production in the spring of 1942, as the factories which made them were converted over to war work during World War II , but they were one of the first ...
In spring-driven clocks and watches, it required a fusee to even out the force of the mainspring. It was used in the first pendulum clocks for about 50 years after the pendulum clock was invented in 1656. In a pendulum clock, the crown wheel and staff were oriented horizontally, and the pendulum was hung from the staff.
Lenzkirch Clock Co (Aktiengessellschaft fur Ukrenfabrikation) (1851-1929) factory operated by Junghans 1929-1932; Mauthe Clock Company (c1870 - 1976) Jakob Schlenker Grusen, Schwenningen (JSGUS/ISGUS) (1888–present) Johannes Schlenker, Schwenningen (1822-1883) then Schlenker and Kienzle (1883-1897) then Kienzle
If you’re looking to try the sunrise alarm clock experience but don’t want to shell out nearly $200 or sign on to yet another digital subscription with the word “plus” in it (enough ...
Pierre Le Roy (French pronunciation: [pjɛʁ lə ʁwa]; 1717–1785) was a French clockmaker. He was the inventor of the detent escapement, the temperature-compensated balance and the isochronous balance spring. His developments are considered as the foundation of the modern precision clock.
Johannes Sayler (1597–1668), German watchmaker, Ulm, rolling ball clock, turret clocks, table clocks. Nicolas Lemaindre (1598–1652), French clockmaker, Blois, clockmaker of the court. Jost Bodeker von Wartbergh, German vicar, Osnabrück. craft clock with a centrifugal pendulum (1578 to 1587).
Armand Couaillet (1865–1954) was a French clock maker from Saint-Nicolas-d'Aliermont in Normandy. In 1890 Couaillet started a business producing carriage clocks; shortly afterwards his three brothers join the business. By the turn of the century, the company employed about 100 workers and were producing 4000 carriage clocks each month.
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 alarm clocks with a special case for this purpose. [7] A wristband travel alarm clock was patented in 1908 by the Eterna company.