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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 ...
Clocks were labeled as "Waralarm" by Westclox and only referenced city of origin; no mention of maker appeared. Other clock companies also produced clocks that were labeled "War Alarm", such as Gilbert and Telechron. Price was set by the Office of Price Management at $1.65. Production of civilian models resumed in 1946.
Later manual-start clocks had ratchets or other linkages which prevented backwards starting. The invention of the shaded-pole motor allowed self-starting clocks to be made, but since the clock would then restart after a power outage, the clock would give incorrect time instead of being stopped at the time of power interruption.
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.
The Hammond clock model "Como" The Hammond Clock Company was founded in 1928 to produce and market clocks that were equipped with Hammond's new motor. The Hammond clock factory manufactured more than 100 different clock models, some simple and cheap, others made from expensive materials such as marble and onyx. [4]
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.
[1] Electric Time produces approximately 1000 clocks annually and is the largest maker of custom outdoor clocks in the United States. [2] Electric Time produces tower clocks, post clocks, and bracket clocks. Electric Time has many clock installations throughout the world, ranging from Brazil to Turkey to Europe.
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 ...