Microscope

Description
This is a compound monocular designed for petrographic work. It has coarse and fine focus, analyzer in the tube, large circular mechanical stage, inclination joint, sub-stage polarizer, sub-stage mirror, horseshoe base, and wooden box. The inscription on the base reads “R. FUESS / STEGLITZ-BERLIN / 1380.” The serial number indicates a date of around 1907.
Rudolph Fuess (1838-1917) began as an instrument maker in Berlin in 1859, acquired the workshop of Greiner & Geissler in 1876, and began making petrographic microscopes around that time. The firm moved to Steglitz, a suburb of Berlin, in 1891.
This was owned and used by Charles Whitman Cross (1854-1959), an American geologist who specialized in the classification of igneous rocks, worked for the U.S. Geological Survey, and became an Associate in Petrology at the Smithsonian Institution.
Ref: R. Fuess, Optische Instrumente (Steglitz, 1907), p. 43.
Location
Currently not on view
Object Name
microscope
date made
ca 1907
maker
Fuess, Rudolf
Physical Description
brass (overall material)
nickel (overall material)
glass (overall material)
Measurements
overall: 14 1/4 in x 4 in x 6 in; 36.195 cm x 10.16 cm x 15.24 cm
place made
Deutschland: Berlin, Steglitz
ID Number
2014.0264.01
catalog number
2014.0264.01
accession number
2014.0264
subject
Science & Scientific Instruments
Microscopes
Science & Mathematics
See more items in
Medicine and Science: Physical Sciences
Microscopes
Data Source
National Museum of American History, Kenneth E. Behring Center
Credit Line
Whitman Cross II
Additional Media

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