[Part of:] Microscope, with adjustment by graduated micrometer screw, Abbé condenser, iris diaphragm [etc.] By Leitz, Weimar
Source
Anonymous. 1892. Harvard Psychological Laboratory in Dane Hall: Instruments for Experiments on Sight. Photograph. (Harvard University Archives - HUPSF Psychological Laboratories (7))
The box seems to belong to the Leitz Microscope. A similar box is shown in the background on another photograph of a Wetzlaer Messingmikroskop by Leitz (1892).