Dollond Reflecting Circle

Description
This incomplete example of an unusual type of reflecting circle came from the U.S. Naval Observatory. It may have belonged to the Navy’s Depot of Charts and Instruments, and thus date from the 1830s. The inscription reads "Dollond London."
Location
Currently not on view
Object Name
reflecting circle
maker
Dollond
Physical Description
brass (overall material)
Measurements
overall: 8 1/2 in; 21.59 cm
place made
United Kingdom: England, London
ID Number
PH*327707
catalog number
327707
accession number
283654
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
U.S. Naval Observatory

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