An 18th-Century lacquered-brass caliper,

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An 18th-Century lacquered-brass caliper,
signed Geos Adams LONDINI fecit, with finely engraved and divided scales for Tormenta Ferro, Experimenm, Servitum, Tormenta Anear, Spheri, on one side, the other with signature and table of metals with fractions, each arm with steel tips, the hinge engraved with a rose -- 12¾in. (32.5cm.) long opened

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