Hydrometer, Sikes, brass

Hydrometer, Sikes, brass, in wooden case, with thermometer

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Hydrometer, Sikes, brass, in wooden case, with thermometer
Science Museum Group
© The Board of Trustees of the Science Museum

Hydrometer, Sikes, brass, in wooden case, with thermometer, by T.O. Buss of London, 19th century