Spencer, Browning & Co. Sextant

Description
This sextant came from Princeton University, and may have been purchased in 1877 for the new John C. Green Astronomical Observatory at that school. The frame is brass. The silvered scale is graduated every 10 minutes from -5° to +125° and read by vernier with tangent screw and swinging magnifier to 10 seconds. The "Spencer Browning & Co. London" inscription refers to a firm that was in business from 1840 to 1870. The serial number is "5861."
Location
Currently not on view
Object Name
sextant
date made
1840-1870
maker
Spencer, Browning & Co.
Physical Description
brass (overall material)
silver (overall material)
ebony (overall material)
glass (overall material)
Measurements
radius: 7 1/2 in; 19.05 cm
place made
United Kingdom: England, London
ID Number
PH*328887
accession number
277637
catalog number
328887
subject
Measuring & Mapping
Navigation
See more items in
Medicine and Science: Physical Sciences
Navigation
Data Source
National Museum of American History, Kenneth E. Behring Center
Credit Line
Princeton University Observatory

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