A LACQUERED BRASS PETROLOGICAL MICROSCOPE
WATSON & SONS, CIRCA 1886
Signed on tripod foot WATSON & SONS 313 HIGH HOLBORN LONDON 1816, the "Wales" form with rack and pinion focus, fully mechanical sub-stage, plaino-concave mirror, in original fitted mahogany case, with fitted drawer of accessories (some lacking) and bullseye condensing lens
20in. (51cm.) high in case
A LACQUERED BRASS PETROLOGICAL MICROSCOPE
WATSON & SONS, CIRCA 1886
Signed on tripod foot WATSON & SONS 313 HIGH HOLBORN LONDON 1816, the "Wales" form with rack and pinion focus, fully mechanical sub-stage, plaino-concave mirror, in original fitted mahogany case, with fitted drawer of accessories (some lacking) and bullseye condensing lens
20in. (51cm.) high in case
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