A Jean-Francois Richer brass protractor in case, French, circa 1800,
signed Richer à Paris, divided with double 180 degree scale, rotating index arm with vernier and sprung pin marker, in original kid leather lined base with printed trade label applied to the inner lid, 7 7/8in (20cm) wide
Sold for
£240
inc. premium
Category: Collectibles / Scientific Instruments
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