Pocket Compass

The cardinal points of this compass are lettered N, W, S, and O, probably indicating that it was made in Germany. The raised rim is graduated to 15 minutes of time, and numbered counterclockwise, twice, in hours from 1 to 12. One side of the face is graduated to degrees, numbered every 20 degrees from O to N and from O to S. A pendulum clinometer is pivoted at the center. The "Dr F. M. Endlich" signature refers to Frederic Miller Endlich (1851–1899), a mineralogist at the Smithsonian Institution who served as an assistant on the Hayden geological surveys in the American West in the 1870s.
Currently not on view
Object Name
compass (pocket)
overall: 3 1/4 in x 3 in; 8.255 cm x 7.62 cm
ID Number
catalog number
accession number
Measuring & Mapping
Surveying and Geodesy
See more items in
Medicine and Science: Physical Sciences
Surveying and Geodesy
Data Source
National Museum of American History, Kenneth E. Behring Center

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