Beam compass

Beam compass, wood, engraved HO^10'; beam mahogany

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Beam compass, wood, engraved HO^10'; beam mahogany
Science Museum Group
© The Board of Trustees of the Science Museum

Beam compass, wood, engraved "HO^10"; beam mahogany, scale to 1/10 inch on inlaid whitewood; reading by vernier and divided drum at fixed end to 1/1000 inch

Details

Category:
Mathematics
Object Number:
1876-545
Materials:
mahogany (wood) and wood (unidentified)
type:
compasses (drawing instruments) and beam compasses
credit:
British Admiralty (Hydrographic Department)