Telescope

Telescope

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Description
This Cassegrain reflecting telescope was probably made in the 18th century and used by an amateur astronomer. It has a metal primary mirror of 4 inches aperture, a brass tube covered with fish skin, an alt-azimuth mount, and a pillar-and-claw stand that could rest on a table top.
Location
Currently not on view
Object Name
telescope
date made
ca 1700-1800
Physical Description
brass (overall material)
Measurements
scrap of shagreen: 3/4 in x 3 1/2 in x 3 in; 1.905 cm x 8.89 cm x 7.62 cm
ID Number
PH.328623
catalog number
328623
accession number
312588
See more items in
Medicine and Science: Physical Sciences
Science & Mathematics
Data Source
National Museum of American History
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