Galvanised cast iron sinker weight hollowed at base
- maker:
- James White and Company
- patentee:
- William Baron Kelvin Thomson
Galvanised cast iron sinker weight hollowed at base, for Ocean depth sounding machine, used for marine vessel navigation, patented by Sir William Baron Kelvin Thomson, British, 1876 and made by James White, Glasgow, Scotland, 1876
Details
- Category:
- Navigation
- Object Number:
- 1879-35/9
- Materials:
- cast iron and zinc plate
- type:
- weights
- credit:
- University of Glasgow