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)
- credit:
- British Admiralty (Hydrographic Department)