[Copy of] Directions ... to the Workmen [Daniel Wood and James Holt] how to Balance the long arm of the Semaphores; these had been badly balanced in the House Carpenter's Shop/S Goodrich. [With rough pencil sketch]
- Made:
- 1822-06
- part of archive:
- Archive of Simon Goodrich, mechanist to the Navy Board
- maker:
- Goodrich, Simon
Details
- Extent:
- 3p on 1 leaf + 1p
- Identifier:
- GOOD/A/0994
- Access:
- Open Access
- rights:
- Copies may be supplied in accordance with current copyright legislation and Science Museum Group terms and conditions