细节
A black-enamelled and lacquered-brass compound monocular microscope,
by Ernst Leitz No. 245602 with rack-and-pinion course and micrometer fine focussing, triple nosepiece, substage condensor, plano-concave mirror with 10 objectives, 2 eyepieces, in mahogany case -- 13½in. (34.3cm.) high
See Illustration
by Ernst Leitz No. 245602 with rack-and-pinion course and micrometer fine focussing, triple nosepiece, substage condensor, plano-concave mirror with 10 objectives, 2 eyepieces, in mahogany case -- 13½in. (34.3cm.) high
See Illustration