Charles Wheatstone
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Sir Charles Wheatstone was an English physicist and inventor best known for his contributions to the development of the Wheatstone bridge, originally invented by Samuel Hunter Christie, which is used
Sketch of Wheatstone by Samuel Laurence, 1868
Plaque marking a childhood house in Gloucester
Wheatstone English concertina
Wheatstone in later years
Stereoscope
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A stereoscope is a device for viewing a stereoscopic pair of separate images, depicting left-eye and right-eye views of the same scene, as a single three-dimensional image.
Charles Wheatstone
…an unknown electrical resistance, and as a major figure in the development of telegraphy. His other contributions include the English concertina, the stereoscope (a device for displaying three-dimensional images) and the Playfair cipher (an encryption technique). Charles Wheatstone was born in Westgate at…
Old Zeiss pocket stereoscope with original test image
A common Underwood & Underwood Stereoscope
Wheatstone mirror stereoscope
Brewster-type stereoscope, 1870