A rare Francis Watkins brass compound monocular microscope,  English,  circa 1750,
Lot 125Y
A rare Francis Watkins brass compound monocular microscope, English, circa 1750,
Sold for £14,400 (US$ 24,249) inc. premium
Lot Details
A rare Francis Watkins brass compound monocular microscope, English, circa 1750,
signed F Watkins London, the tapering optical tube screwing into a bracket with signature above and wheel of seven lenses below, shaped stage sliding on column engraved with the seven focusing positions with circular mirror and fine focusing knurled know below, mounted on tapering hexagonal section column above folding tripod base, in black fishskin case green velvet lined and fitted with live box, three lieberkuhns, shaped fish plate, eleven ivory mounted slides in brass carrier with loop handle, turned ivory talc box, stage forceps, brass specimen holder and pair of tweezers, 12in (30.5cm) wide, the case 5 1/2in (14cm) wide
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