Details
A monocular microscope by A. Ross,
No. 1765, in lacquered brass, with graduated screw and lever fine focussing, coarse focussing, three eyepieces, 1½-inch and ¼-inch correction collar objectives each signed A. Rofs 1857, mechanical stage and plano-concave mirror -- 19in. (48cm.) high, in lower mahogany case with doors to front and rear
No. 1765, in lacquered brass, with graduated screw and lever fine focussing, coarse focussing, three eyepieces, 1½-inch and ¼-inch correction collar objectives each signed A. Rofs 1857, mechanical stage and plano-concave mirror -- 19in. (48cm.) high, in lower mahogany case with doors to front and rear