Cooke and Wheatstone Telegraph Dial, 1830s

Bildnummer 12626679
Cooke and Wheatstone Telegraph Dial, 1830s
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 the first telegraph system to be put into commercial service. The receiver consisted of a number of needles which could be moved by electromagnetic coils to point to letters on a board. This feature was liked by early users who were unwilling to learn codes, and employers who did not want to invest in staff training.
Lizenzart: Lizenzpflichtig
Credit: Science Photo Library / Science Source
Bildgröße: 3750 px × 3800 px
Modell-Rechte: nicht erforderlich
Eigentums-Rechte: nicht erforderlich
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