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Pocket Coin Balance, by De Grave & Son, London, 18th Century

Inventory Number 35683

Acknowledgement: © History of Science Museum, University of Oxford, inv.35683

Item type
Object
Provenance
Purchased from Dr. Reginald S. Clay with his collection.
Primary inscriptions
"DE GRAVE & SON, St. Martin-le-Grand London".
Physical material
Brass
steel and mahogany
Inventory No
35683
Accession Number
1944-1/part

Description

Mahogany box hinges open when the brass balance attached to this hinge is automatically erected. Brass see-saw arrangement with support for the coin, and a sliding weight. Calibration 0-12.

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