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Inventory no. 39421 - Former Display Label

One, unsigned with divisions 0-50. Belonged to J. Soper Streeter, M. R. C. S. of London, whose surgical instruments were presented by the notable Oxford biblical scholar, B. H. Streeter, to this Museum.
These three instruments are probably graduated using the Baumé scale. The French pharmacist Antoine Baumé (1728-1804), developed his scale in 1768. Its two fixed points were the density of distilled water and that of a salt solution, with equal divisions in between. During the 19th century other scales with two fixed points on this principle were developed.

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