Electric telegraph, 18th October 1838.
3 1 c m
actual image size: 32cm x 23cm

Electric telegraph, 18th October 1838.

Farey, John

© Science Museum / Science & Society Picture Library


One of six line drawings with colour wash by J Farey, of William Fothergill Cook's (1806-1879) specification for 'Improvements in giving signals and sounding alarums at distant places by means of Electric Currents transmitted through metallic Circuits'. This is Sheet B of the Second English specification. The patent was sealed 18 April 1838.



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