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France, Éleuthére Mascart, 1902, a plated bronze galvano medal by J.-C. Chaplain, bust left, reverse legend in 10 lines, electric current arcing from two spheres below, 98mm (PBE –; BDM –; ANS Exh. Cat. 1910, p.52, 18 [recté 1902]; Gaz. Num –). Rim marks, otherwise very fine and very rare; in original brown fitted case [lid partly distressed] (£80-100)

Illustrated on plates in back of catalogue.

Éleuthére Élie Nicolas Mascart (1837-1908), French physicist and member of the Académie des Sciences, the progenitor of the electrical measurement term ‘henry’, named after the American inventor Joseph Henry (1797-1878); his treatise on electricity and magnetism, first published in 1876, was translated into several languages