Ten-inch brass circular protractor by Ramsden in mahogany case

Ten-inch brass circular protractor by Ramsden in mahogany case, 10 1/4" x 10 1/4" x 1", divided to 1/2 degrees, reading by vernier to one minute, engraved "Ramsden, London", and "R.S.61 ", paper label on lid, "Royal Society 61"

Details

Category:
Mathematics
Object Number:
1932-457
type:
drawing instruments and circular protractors
credit:
The Royal Society

Parts

Case, for 10-inch brass circular protractor

Case for 10-inch brass circular protractor by Ramsden

Materials:
mahogany
Object Number:
1932-457 Pt1
type:
instrument case
Image ©
The Board of Trustees of the Science Museum