The Cooke and Wheatstone telegraph was an early electrical telegraph system dating from the 1830s invented by English inventor William Fothergill Cooke and English scientist Charles Wheatstone. It was
Cooke and Wheatstone's two-needle telegraph as used on the Great Western Railway
Wheatstone (left) and Cooke (right)
Cooke and Wheatstone's five-needle, six-wire telegraph
Cooke and Wheatstone 5-wire telegraph cable in a wooden spacer
Needle telegraph
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A needle telegraph is an electrical telegraph that uses indicating needles moved electromagnetically as its means of displaying messages. It is one of the two main types of electromagnetic telegraph,
Cooke and Wheatstone telegraph
…telegraph system dating from the 1830s invented by English inventor William Fothergill Cooke and English scientist Charles Wheatstone. It was a form of needle telegraph, and the first telegraph system to be put into commercial service. The receiver consisted of a number of needles that could be moved by electromagnetic…
A single needle telegraph (1903)