Salt water test hydrometer

Made:
London
Salt water test hydrometer, No

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Salt water test hydrometer, No
Science Museum Group
© The Board of Trustees of the Science Museum

Salt water test hydrometer, No. 206, by Negretti & Zambra, London, England,

Details

Category:
Meteorology
Object Number:
1995-1821
Materials:
complete, glass, paper (fibre product) and lead (metal)
Measurements:
hydrometer: 25 cm
type:
hydrometer
credit:
Meteorological Office