Sextant
Sextant
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Usage conditions apply
- Description
- This sextant has a brass frame. The silvered scale is graduated every 10 minutes from -5° to +145° and read by vernier with tangent screw and swinging magnifier to 10 seconds of arc. The "Spencer Browning & Rust LONDON" inscription on the arc refers to a firm that was in business from 1784 to 1840.
- Location
- Currently not on view
- Object Name
- sextant
- date made
- 1800-1840
- maker
- Spencer Browning & Rust
- place made
- United Kingdom: England, London
- Physical Description
- mahogany (overall material)
- brass (overall material)
- silver (overall material)
- Measurements
- radius: 7 1/2 in; 19.05 cm
- overall in box: 5 1/2 in x 11 3/8 in x 11 3/4 in; 13.97 cm x 28.8925 cm x 29.845 cm
- ID Number
- 1981.0943.01
- catalog number
- 1981.0943.01
- accession number
- 1981.0943
- Credit Line
- William G. Dutton
- See more items in
- Medicine and Science: Physical Sciences
- Navigation
- Measuring & Mapping
- Data Source
- National Museum of American History
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