"Simplex" salt detector

Made:
1916-1920 in Bedford and Glasgow
patentee:
Simplex

'Simplex' salt detector, in locking glazed case, using an electrical indicator to test the conductivity of salinated water, by the Bromwell Patent Company Limited, Glasgow, Scotland, 1916-1920

Details

Category:
Marine Engines
Object Number:
1920-668
Materials:
wood (unidentified), glass, metal (unknown), brass (copper, zinc alloy), steel (metal), ceramic (unspecified), paper (fibre product) and electrical components
Measurements:
overall: 590 mm x 420 mm x 200 mm, 13.295kg
type:
measuring device - instrument
credit:
Bromell Patents Company Limited