拍品專文
The body tube is engraved with a crest, an unusual feature for a microscope.
細節
A. ROSS, LondonA lacquered-brass microscope, No. 1765, with draw-tube, rack-and-pinion and fine focusing, mechanical square stage, sub-stage carrier and plano/concave mirror on sliding collar, on Y-shaped stand on mahogany base -- 19¼in.(49cm.)high, with accessories in double-ended, fitted mahogany case, 1850's