Updated 4 March 2014.
Synchronome synchronous clocks were made by The Synchronome Co Ltd, 19 Caxton House, Westminster, London, SW 1. The Synchronome Company is best known as a manufacturer of precision electrically driven pendulum clocks and associated equipment. A detailed company history and descriptions of many clocks are given in the following book.
MILES R H A. Synchronome. Masters of electrical timekeeping. Ticehurst, Sussex: The Antiquarian Horological Society, 2011.
In 1931 the company started the manufacture of synchronous electric clocks. Synchronome did not make the movements. They used movements made by Smith and later by Westclox (spelt Westclocks in Miles’ book). Early synchronous clocks were marketed as Synchronomains
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Synchronomains synchronous mantel clock S 244 Synchronomains A
Synchronomains synchronous mantel clock S 247 Synchronomains A
Synchronome synchronous mantel clock S 145 Synchronome A
Synchronome synchronous wall clock (1) S 153 Synchronome A
Synchronome synchronous wall clock (2) S 203 Synchronome A