Bullock's circular protractor

Made:: 1816-1850 in Charing Cross

maker:: Thomas Jones

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)

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Parts

Case, for Frederick Bullock's circular protractor

Case for Bullock's circular protractor by Thomas Jones, London

Materials:: mahogany (wood) , brass (copper, zinc alloy) , paper (fibre product) and textile

Object Number:: 1876-512 Pt1

type:: instrument case

Image ©: The Board of Trustees of the Science Museum

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".