Salinometer, metal range 0 to 0.4/32 "Blow" scale. G.H. Zeal Ltd., London, 1984. Salinometer, metal range 0 to 0.4/32 "Blow" scale. G.H. Zeal Ltd.
Ship-board salinometer, by Autolab Industries, Sydney, still in working order, with description of its use on the Medoc expedition for deep ocean waters, in use until 1993. Ship-board salinometer 1969
Example of A.P. How's salinometer, in silver, used to determine the density of water drawn from a steam boiler, velvet-lined wood case, by T.O. Buss, London, England, 1860-1870 Example of How's Salinometer, with case 1860-1870
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 Example of Spray and Novett's patented salinometer used to register the salinity of water in a boiler 1849-1858