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Microscope, with adjustment by graduated micrometer screw, Abbé condenser, iris diaphragm, cylinder diaphragms, double nose-piece, objectives, 2, 4, 7, 9, eye-pieces, i, iii, iv. By Leitz

  Source   Anonymous. 1892. Harvard Psychological Laboratory in Dane Hall: Interior of a Laboratory Room. Photograph. (Harvard University Archives - HUPSF Psychological Laboratories (1)) view the source
  People  
  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).
  Comment   See the same Microscope on another photograph from the same set.
See another figure of this instrument and a separate entry for the Abbé- condenser with Iris-diaphragm in the Catalog of the Cambridge Scientific Instruments Company, 1901, No. 506.
  Description  
ISSN 1866-4784: reference - xlink