細節
A binocular microscope by Beck,
No. 11058, in lacquered brass with coarse and fine focussing, rack eyepiece adjustment, one pair of eyepieces, two objectives, Wenham prism, circular stage, mirror and single column stand on tripod platform foot signed R. & J. Beck London & Philadelphia -- 14in. (36cm.) high, in mahogany case
No. 11058, in lacquered brass with coarse and fine focussing, rack eyepiece adjustment, one pair of eyepieces, two objectives, Wenham prism, circular stage, mirror and single column stand on tripod platform foot signed R. & J. Beck London & Philadelphia -- 14in. (36cm.) high, in mahogany case