Galvanised cast iron sinker weight, for Ocean depth sounding machine, used for marine vessel navigation

Made:
1876 in Glasgow
patentee:
William Baron Kelvin Thomson
maker:
James White and Company

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:
1879-35/14
Materials:
cast iron and zinc plate
type:
weights
credit:
University of Glasgow