J. & I. Hardy Reflecting Circle

This is an incomplete example of a Borda-type reflecting circle. It belonged to Augustana College in Rock Island, Illinois, and may have been acquired when that school was established in 1860. The inscription reads "J. & I. Hardy, London."
Currently not on view
Object Name
reflecting circle
J. & I. Hardy
overall: 10 in; 25.4 cm
place made
United Kingdom: England, London
ID Number
catalog number
accession number
See more items in
Medicine and Science: Physical Sciences
Measuring & Mapping
Data Source
National Museum of American History, Kenneth E. Behring Center
Credit Line
Augustana College

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