Sextant protractor

Description

Sextant protractor or reflecting protractor, invented by Sir Howard Douglas in 1811, with Admiralty mark "B 81", in fitted wooden box, made by William Cary of London, c. 1850

Museum reference

T.1910.94

Collection

History of Science

Object name

Sextant protractor, Reflecting protractor

Production information

Cary, William, 1850 - 1900 (fl.), Instrument maker
London, England, Northern Europe

Date

c. 1850

Materials

Wood

Associations

Previous owner: Admiralty
Inventor: Douglas, Howard, Sir, 1776 - 1861
Retailer: Potter, John Dennett, 1810 (b.) - 1883 (fl.)