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Large color-mixer, with horizontal rotating disks, connected with foot-machine / Apparatus for color-sense of the eccentric parts of retina, to be attached to Hering's foot-machine. 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.6 (Nr. 15).
  Comment   The same device and its upper parts are shown in detail on another photograph from this set.
  Description  
ISSN 1866-4784: reference - xlink