Dictionary of scientific biography / Charles Coulston Gillipsie, 1991
Internet, http://www.brainyencyclopedia.com/l, 09-03-2005
Information trouvée : Sir Charles Wheatstone (February 6, 1802 - October 19, 1875) was the British inventor
of many innovations including the accordion an early form of microphone the Playfair
cipher (named for Lord Playfair, the person who publicized it) and the Wheatstone
bridge.
Scientific papers of Sir Charles Wheatstone, D.C.L., F.R.S. / [Charles Wheatstone]
; publ. by the Physical society of London, 1993 [Reprod. de l'éd. de 1879]