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Simultaneous contrast apparatus, with colored glasses. After Hering, by Rothe, Prag

  Source   Anonymous. 1892. Harvard Psychological Laboratory in Dane Hall: Instruments for Experiments on Sight. Photograph. (Harvard University Archives - HUPSF Psychological Laboratories (7)) view the source
  People   Hering, Karl Ewald Konstantin (1834 - 1918)
  Sites   Psychological Laboratory, Harvard University (1893)
  Related Literature   Münsterberg, Hugo. 1893. Psychological Laboratory of Harvard University. Cambridge, Mass.: University Press of Cambridge, Mass.
(description and figure).
Rothe, Rudolf. 1893. Specialitäten physiologischer Apparate: Preliminary catalog. Prag: Hofbuchdruckerei A. Haase (Collection Rand B. Evans), Appendix, on p. 12, No. 29.
Hering, Ewald. 1890. Beitrag zur Lehre vom Simultankontrast. Zeitschrift für Psychologie und Physiologie der Sinnesorgane 1: 18-28, in particular p. 25.
  Comment   See the same device on another photograph from the same set.
See a color photograph of this device in the Harvard Collection of Historical Scientific Instruments.
  Description  
ISSN 1866-4784: reference - xlink