Stackpole & Brother Sextant

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This sextant belonged to Columbia University in New York and dates from around 1880. The frame is brass. The silvered scale is graduated every 10 minutes from -5° to +180° and read by vernier with tangent screw and swinging magnifier to 10 seconds of arc. The inscriptions read "Stackpole & Brother New York" and "2258."
Ref: Deborah J. Warner, "American Octants and Sextants: The Early Years," Rittenhouse 3 (1989): 86-112, on 108-109.
Currently not on view
date made
ca 1880
Stackpole & Brother
place made
United States: New York, New York
Physical Description
mahogany (overall material)
brass (overall material)
silver (overall material)
glass (overall material)
box: 5 in x 10 in x 10 in; 12.7 cm x 25.4 cm x 25.4 cm
overall in box: 5 1/8 in x 10 1/16 in x 10 1/8 in; 13.0175 cm x 25.55875 cm x 25.7175 cm
ID Number
accession number
catalog number
Credit Line
Columbia University
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Medicine and Science: Physical Sciences
Measuring & Mapping
Data Source
National Museum of American History