Signedon saddle foot: CARL ZEISS / JENA [in achromat trademark]
on screw on saddle foot: GERMANY
on condensing lens collar: CARL ZEISS / JENA [in achromat trademark]
on large sleeve, in italic gold paint: Germany.
FunctionFor photography of specimens under a microscope.
Primary SourcesCarl Zeiss Jena, Photo-Micrographic Apparatus, 6th ed. (Jena, 1910).
ProvenanceBussey Institute; Gray Herbarium; transfer to CHSI by Professor Elso S. Barghoorn, 1976.