Barktrometer for measuring the density of tanning liquor

Made:
1876 in Bermondsey
maker:
Dring and Fage
Barktrometer in box, serial no 1115

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Barktrometer in box, serial no 1115
Science Museum Group
© The Board of Trustees of the Science Museum

Barktrometer in box, serial no 1115. Hydrometer, used by tanners when tanning leather, for ascertaining the density of bark liquor, made by Dring & Fage, London, 1876.