Clockwork for Astronomical Telescope

Clockwork for Astronomical Telescope

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Led by science professor James Curley, S.J., Georgetown University established an astronomical observatory in 1844, and acquired a 5-inch aperture refracting telescope made by Troughton & Simms of London in 1849. This is the clock drive for that instrument.
Currently not on view
Object Name
clockwork for equatorial telescope
date made
Troughton and Simms
place made
United Kingdom: England, London, City of London
Physical Description
brass (overall material)
overall: 9 in x 6 in x 3 1/2 in; 22.86 cm x 15.24 cm x 8.89 cm
overall; clockwork: 9 in x 8 1/4 in x 6 3/4 in; 22.86 cm x 20.955 cm x 17.145 cm
overall; rod: 1 9/16 in x 10 5/8 in x 1 1/2 in; 3.96875 cm x 26.9875 cm x 3.81 cm
ID Number
catalog number
accession number
Credit Line
Gift of Georgetown University
See more items in
Medicine and Science: Physical Sciences
Data Source
National Museum of American History
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