Sir Charles Wheatstone 1802 1875 British physicist 19th century scientist inventor scientific breakthroughs Victorian era Englis

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Sir Charles Wheatstone 1802 1875 British physicist 19th century scientist inventor scientific breakthroughs Victorian era Englis
Alan King engraving / Alamy Stock Photo
Image ID: AMH4HX
Imperial dictionary of universal biography series original memoirs distinguished men history England All Ages Nations 16 volumes publisher William Mackenzie 1860 telegraphy