Hydrostatic balance by Jesse Ramsden, London, 1785-1789

Made:
1785-1789 in London
maker:
Jesse Ramsden

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Hydrostatic balance by London instrument maker Jesse Ramsden used in 1789, in experiments conducted by the Royal
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Hydrostatic balance by Ramsden used in 1789, in experiments conducted by the Royal Society to determine accurately the specific gravity of mixtures of water and spirit. 24" beam weighs to 10 lbs, sensitive to less than 0.01 grain. Pans and some other parts missing, two small ivory knobs of drawers broken.

The London instrument maker Jesse Ramsden made this analytical balance. It was used to made hydrostatic measurements for experiments conducted by the Royal Society in 1789 to determine accurately the specific gravity of mixtures of water and spirit. The two-foot beam weights to 10 lbs and is sensitive to less than 0.01 grain.

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Details

Category:
Experimental Chemistry
Object Number:
1900-166
type:
scales (weighing devices)
credit:
The Royal Society

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