Example of Spray and Novett's patented salinometer used to register the salinity of water in a boiler

Made:
1849-1858 in London
maker:
Horne, Thornthwaite & Wood

Example of Spray and Novett's patented salinometer used to register the salinity of water in a boiler, consisting of a gun-metal globe attached to a thermometer, bolted to a decorative wood mount, by Horne and Thornthwait, London, England, 1849-1858

Details

Category:
Marine Engines
Object Number:
1858-34
Materials:
brass (copper, zinc alloy), gun metal, wood (unidentified), glass, silver (metal) and mahogany (wood)
Measurements:
overall: 475 mm x 320 mm x 215 mm, 3.955kg
type:
hydrometer and salinometer
credit:
Nasmyth, G