[Parts of] Set of spectacles, with concave, convex, cylindrical, prismatic, and colored glasses. By Miller, Boston
Image source (VL Image)
Source
Anonymous.
1892.
Harvard Psychological Laboratory in Dane Hall: Interior of a Laboratory Room.
Photography
Related VL Sites
Psychological Laboratory, Harvard University.
Cambridge (MA).
comment
The spectacles on the left are prismatic, the spectacles on the right are colored. See another <link ref="tec2997">set of spectacles</link> and <link ref="tec2959">a single pair of spectacles</link> on another photograph from this set.VL Technology
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