| National Museum of American History

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Description:

Backstaff (aka Davis quadrant) that probably dates from the eighteenth century. The frame is ebony; the arcs, vanes, and inlay are boxwood.

Date Made: 18th century

Location: Currently not on view

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

Exhibition:

Exhibition Location:

Credit Line: Arthur R. Crittenden

Data Source: National Museum of American History

Id Number: PH.178975Accession Number: 12216Catalog Number: 178975

Object Name: backstaff

Measurements: overall: 25 1/4 in; 64.135 cm

Metadata Usage: CC0

Guid: http://n2t.net/ark:/65665/ng49ca746b2-60d5-704b-e053-15f76fa0b4fa

Record Id: nmah_1197616

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