![](http://www.alamy.com/thumbs/6/91FF2F59-8CD6-4270-AC2D-CDA88BF07146/D96K77.jpg)
Charles Wheatstone (1802-1875) British physicist. Electrical resistances. Electric telegraph. Concertina
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Photo credit: © World History Archive / Alamy / Afripics
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Keywords: 1802-1875, archival, archive, british, charles, communications, concertina, electric, electrical, historical, history, instrument, musical, physicist, physicist., resistances., scientist, telegraph., wheatstone