Updated 4 April 2013.
Synclock synchronous clocks were made by Everett, Edgcombe & Co Ltd, Colindale Works, Hendon, London NW 9. The movement used is the Warren type, briefly described in WISE S J. Electric clocks. Second edition. London: Heywood & Company Ltd, 1951.
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Synclock Type B synchronous mantel clock S 108 Synclock A