
Walker's harpoon log with rotator and recording mechanism combined into one
- Made:
- 1861
- patentee:
- Thomas Walker

Walker's Harpoon log with rotator and recording mechanism combined into one, patented by Thomas Walker, Birmingham, Warwickshire, England, and made by Thomas Walker and Son LImited, Birmingham, Warwickshire, England, 1861
Details
- Category:
- Navigation
- Object Number:
- 1876-821
- Materials:
- brass (copper, zinc alloy), ceramic (unspecified) and rope
- Measurements:
-
overall: 620 mm 147 mm, 1.42kg
- type:
- ships' log
- credit:
- Admiralty Hydrographic Department