Octant
Octant
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- Description
- This has an ebony frame, a reinforced brass index arm, an ivory scale that is graduated every 20' from -2° to +107° and read by vernier with tangent screw to 30" of arc. The inscription reads "Spencer Browning & Co London. Made for D. McGregor & Co Glasgow & Greenock." Spencer Browning & Co. were in business from 1840 to 1870.
- Western Union transferred this sextant to the Smithsonian in 1972.
- Location
- Currently not on view
- Object Name
- Sextant
- Octant
- octant
- date made
- ca 1855
- Maker
- Western Union Corporation
- maker
- Spencer, Browning & Co.
- place made
- United Kingdom: England, London
- Measurements
- box: 12 1/2 in x 11 1/2 in x 5 in; 31.75 cm x 29.21 cm x 12.7 cm
- octant: 11 1/2 in x 9 1/2 in x 4 1/2 in; 29.21 cm x 24.13 cm x 11.43 cm
- ID Number
- EM.331882
- catalog number
- 331882
- accession number
- 294351
- collector/donor number
- 25-54
- Credit Line
- from Western Union Corporation
- See more items in
- Work and Industry: Electricity
- Data Source
- National Museum of American History
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