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Usage conditions apply
This is a stereoscopic instrument with coarse and fine focus, square stage, folding wooden ramps that clip to the stage, sub-stage mirror, and wooden box with extra lenses. The inscription reads “CARL ZEISS / JENA” and “GERMANY.” There may be a 1741319 serial number.
Zeiss began marketing stereoscopic microscopes in 1897, noting that the idea had originated with Horatio Saltstall Greenough (1845-1916), an American zoologist and, incidentally, son of the sculptor, Horatio Greenough. The firm introduced this model XA stand in the early 1930s.
Ref: “Greenough’s Stereoscopic Microscope and Its Auxiliary Appliances,” Journal of the Royal Microscopical Society 18 (1898): 469-473.
Carl Zeiss, Zeiss Microscopes and Accessories (Jena, 1934), pp. 71-72.
Currently not on view
Object Name
Other Terms
microscope; Binocular; Compound
date made
ca 1930
Zeiss, Carl
place made
Germany: Thuringia, Jena
Physical Description
wood (overall material)
metal (overall material)
glass (overall material)
black (overall color)
green (overall color)
overall: 39 cm x 20 cm x 22.3 cm; 15 11/32 in x 7 7/8 in x 8 25/32 in
ID Number
accession number
catalog number
Credit Line
Division of Marine Invertebrates, National Museum of Natural History, Smithsonian Institution
Science & Scientific Instruments
See more items in
Medicine and Science: Medicine
Science & Mathematics
Data Source
National Museum of American History
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