Contrast Apparatus


Contrast Apparatus devised by Karl Ewald Konstantin Hering (1834–1918), a German physiologist who investigated color vision, binocular perception and eye movements, and who proposed opponent color theory in 1892.

Ref: William Sterling, Outlines of Practical Physiology (Philadelphia, 1895), p. 357.

Location: Currently not on view

See more items in: Medicine and Science: Medicine


Exhibition Location:

Credit Line: Cornell University Department of Psychology

Data Source: National Museum of American History

Id Number: MG.300427.166Catalog Number: 300427.166Accession Number: 300427

Object Name: Apparatus, Contrastcontrast apparatusOther Terms: Apparatus, Contrast; Diagnostic Medicine

Physical Description: wood (overall material)cloth (overall material)Measurements: overall: 62.2 cm x 46.4 cm x 25.7 cm; 24 1/2 in x 18 1/4 in x 10 1/8 in


Record Id: nmah_733970

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