Bullock's circular protractor

Bullock's circular protractor, 6 inch, divided on silver to 1/2 degree, reading by vernier to 1', with tubular radial arms; engraved "Thomas Jones, 62 Charing Cross, London" and "R.109", in case

Details

Category:
Mathematics
Object Number:
1876-512
type:
drawing instruments and circular protractors
credit:
British Admiralty (Hydrographic Department)

Parts

J. D. Potter

J. D. Potter

Trade card: for J. D. Potter (successor to R.B. Bate) 31 Poultry, London from case for Bullock's circular protractor

Object Number:
1876-512 Pt3
type:
trade card
Image ©
The Board of Trustees of the Science Museum