Troughton & Simms Sextant

Description
This sextant came from Princeton University, and was probably purchased for the John C. Green Astronomical Observatory that was established there in 1877. The frame is brass. The silvered scale is graduated every 10 minutes from -5° to +155° and read by vernier with tangent screw and magnifier to 10 seconds of arc. The inscriptions read "Troughton & Simms, London" and "Silver."
Location
Currently not on view
Object Name
sextant
date made
1836-1900
maker
Troughton & Simms
Physical Description
brass (overall material)
silver (overall material)
wood (overall material)
Measurements
overall: 8 1/2 in x 11 1/2 in x 4 in; 21.59 cm x 29.21 cm x 10.16 cm
place made
United Kingdom: England, London
ID Number
PH*328886
catalog number
328886
accession number
277637
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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