Electric master clock of the half minute impulse type in mahogany case, c 1931.
4 0 c m
 
29cm
actual image size: 21cm x 32cm

Electric master clock of the half minute impulse type in mahogany case, c 1931.

Richardson, Claire

© Science Museum / Science & Society Picture Library

Description

Before quartz clocks, Synchronome equipment provided accurate time within workplaces. 'Slave' clocks were advanced by electrical impulses from a master such as this. Made by the Synchronome Co Ltd, according to a patent granted to W H Shortt in 1915.
 

Artist

 

Image Ref.

10433042
 

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