Octant

Description
This octant has an ebony frame, reinforced brass index arm with vernier and tangent screw, and ivory name plate. The graduated scale is missing.
Location
Currently not on view
Physical Description
brass (overall material)
ebony (overall material)
ivory (overall material)
glass (overall material)
Measurements
radius: 11 1/2 in; 29.21 cm
overall: 14 1/8 in x 11 1/4 in x 3 1/8 in; 35.8775 cm x 28.575 cm x 7.9375 cm
overall: 2 5/8 in x 11 1/4 in x 14 in; 6.6675 cm x 28.575 cm x 35.56 cm
ID Number
PH.389107
catalog number
389107
accession number
182022
Credit Line
Dr. and Mrs. Arthur Greenwood
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Data Source
National Museum of American History, Kenneth E. Behring Center

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