Reflecting Circle

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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."

Maker: Dollond

Location: Currently not on view

Place Made: United Kingdom: England, London

See more items in: Medicine and Science: Physical Sciences, Navigation, Measuring & Mapping

Exhibition:

Exhibition Location:

Credit Line: U.S. Naval Observatory

Data Source: National Museum of American History

Id Number: PH.327707Catalog Number: 327707Accession Number: 283654

Object Name: reflecting circle

Physical Description: brass (overall material)Measurements: overall: 8 1/2 in; 21.59 cmoverall: 6 1/2 in x 9 5/8 in x 8 1/2 in; 16.51 cm x 24.4475 cm x 21.59 cm

Metadata Usage: CC0

Guid: http://n2t.net/ark:/65665/ng49ca746aa-0565-704b-e053-15f76fa0b4fa

Record Id: nmah_1167895

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