A lacquered-brass and black-enamelled compound monocular microscope,

細節
A lacquered-brass and black-enamelled compound monocular microscope,
by J. Swift & Son London, with rack and pinion focusing and fine adjustment, triple nose-piece, sub-stage condenser, swivel mirror, on tripod stand, with three eyepieces, two objectives, in mahogany case -- 13in. (33cm.) high