Sextant protractor

Description

Sextant protractor or reflecting protractor, invented by Sir Howard Douglas in 1811, with Admiralty mark "B 83", in a box, and made by William Cary of London, c. 1850

Museum reference

T.1910.96

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

Brass, Wood

Associations

Previous owner: Admiralty
Inventor: Douglas, Howard, Sir, 1776 - 1861
Potter, J.D., 1851 - 1882 (fl.)