A 19th Century lacquered brass compound binocular microscope, signed on the stand J.B>Dancer, optician Manchester No407, with rack and pinion coarse and fine focusing, extra fine adjustment, prism, mechanical stage and plano-concave mirror, the curved limb with axis supported on twin tapering columnsrising from the stand, with some accessories including a bull's-eye condenser, live box, forceps, double and triple nose-pieces, a polariser and objectives byDancer (2 & 1in.) Watson & Sons (¼in.), Wray (1in.)and Pullinger of Oldham (6 to 4in.); in mahogany case - 18in. (45.7cm)high

細節
A 19th Century lacquered brass compound binocular microscope, signed on the stand J.B>Dancer, optician Manchester No407, with rack and pinion coarse and fine focusing, extra fine adjustment, prism, mechanical stage and plano-concave mirror, the curved limb with axis supported on twin tapering columnsrising from the stand, with some accessories including a bull's-eye condenser, live box, forceps, double and triple nose-pieces, a polariser and objectives byDancer (2 & 1in.) Watson & Sons (¼in.), Wray (1in.)and Pullinger of Oldham (6 to 4in.); in mahogany case - 18in. (45.7cm)high