Sextant

Description:

Sextant with a brass frame. The silvered scale is graduated every 10 minutes from -5° to +155° and read by vernier with tangent screw and magnifier to 10 seconds of arc. The inscriptions read "Troughton & Simms, London" and "Silver."

Date Made: 1836-1900

Maker: Troughton & Simms

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: Princeton University Observatory

Data Source: National Museum of American History

Id Number: PH.328886Catalog Number: 328886Accession Number: 277637

Object Name: sextant

Physical Description: brass (overall material)silver (overall material)wood (overall material)Measurements: overall: 8 1/2 in x 11 1/2 in x 4 in; 21.59 cm x 29.21 cm x 10.16 cmoverall: 4 in x 11 1/2 in x 8 1/4 in; 10.16 cm x 29.21 cm x 20.955 cm

Guid: http://n2t.net/ark:/65665/ng49ca746a8-ec3e-704b-e053-15f76fa0b4fa

Record Id: nmah_1057696

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