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MAKING THE MODERN WORLD
Stories about the lives we've made
 

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


picture zoom related ingenious images © Science Museum/Science and Society Picture Library

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.
'WORK' GO BACK TO WORK
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Object
Synchronous mains electric clock of the non self-starting type, c.1936
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Synchronous mains electric clock of the self-starting type, c.1934
 
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