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 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


Record Id: nmah_1057696

Our collection database is a work in progress. We may update this record based on further research and review. Learn more about our approach to sharing our collection online.

If you would like to know how you can use content on this page, see the Smithsonian's Terms of Use. If you need to request an image for publication or other use, please visit Rights and Reproductions.