细节
POWELL & LEALAND, London
A lacquered-brass No. 3 microscope, with eyepiece clamp, body-tube struts, single nosepiece, limb signed Powell & Lealand, Makers, London, square mechanical stage with sub-stage wheel-stops and plano/concave mirror on sliding collar, on raised tripod stand -- 14½in.(37cm.)high, with seven objectives, eyepiece, and various condensers in fitted mahogany case, all in fitted mahogany case with maker's label, circa 1845
A lacquered-brass No. 3 microscope, with eyepiece clamp, body-tube struts, single nosepiece, limb signed Powell & Lealand, Makers, London, square mechanical stage with sub-stage wheel-stops and plano/concave mirror on sliding collar, on raised tripod stand -- 14½in.(37cm.)high, with seven objectives, eyepiece, and various condensers in fitted mahogany case, all in fitted mahogany case with maker's label, circa 1845