alb9040390

Illustration showing Cooke and Wheatstone's single-needle telegraph.

Illustration showing Cooke and Wheatstone's single-needle telegraph. 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. 1890.
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Illustration showing Cooke and Wheatstone's single-needle telegraph.
Illustration showing Cooke and Wheatstone's single-needle telegraph. 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. 1890
Crédito:
Album / World History Archive
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Modelo: No - Propiedad: No
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Tamaño imagen:
6195 x 3385 px | 60.0 MB
Tamaño impresión:
52.5 x 28.7 cm | 20.6 x 11.3 in (300 dpi)