Protractor, semi-circular, by Watkins and Hill; diameter about 6 1/2"

Protractor, semi-circular, by Watkins and Hill; diameter about 6 1/2", arm projects 6" beyond circle, engraved "Watkins and Hill, Charing Cross, London", "H.O.R." in case 14" x 5 1/4" x 7/8", mahogany

Details

Category:
Mathematics
Object Number:
1911-247
type:
drawing instrument and semi-circular protractor
credit:
British Admiralty (Hydrographic Department)

Parts

Protractor case

Protractor case

Case for protractor, semi-circular, by Watkins and Hill

Materials:
mahogany
Object Number:
1911-247 Pt1
type:
instrument case
Image ©
The Board of Trustees of the Science Museum