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

Object:Synchronous mains electric clock of the non self-starting type, c.1936


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

Clock by Ferranti with 24-hour alarm and illuminated dial. Clocks such as this analogue clock used synchronous electric motors and depended on the frequency of mains electricity, via the new national grid, for their timekeeping.
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Electric master clock of the half-minute impulse type in mahogany case, c.1931
Object
Object
Synchronous mains electric clock of the self-starting type, c.1934
 
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