Two hydrometers in case by Negretti and Zambra

Made:
London
Two hydrometers in case (for three) by Negretti and Zambra.

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Two hydrometers in case (for three) by Negretti and Zambra.
Science Museum Group
© The Board of Trustees of the Science Museum

Two hydrometers in case (for three) by Negretti and Zambra.

Details

Category:
Experimental Chemistry
Object Number:
1907-79
Materials:
glass, ivory and mercury
type:
hydrometer
credit:
J.C. Stevens (Auction Sales)