Society of Arts, Mercury and Minerva Medal, 1753, a silver award by W. Wyon, conjoined busts of Mercury and Minerva left, rev. wreath, named (To Mr. I. Evans mdcccxxiii, For His Method of Adjusting and Equalizing the Strain on Tackles), 52mm (E 647). Polished, some light scratches, otherwise about extremely fine; in contemporary fitted case [hinge broken] £100-£120

Sold with a photocopy of an article concerning Mr Evans’ research