细节
A brass and black-enamelled compound monocular microscope,
by Carl Zeiss Jena, No. 145901, with rack and pinion coarse and micrometer fine focusing, triple nose-piece, sub-stage condenser and plano-concave mirror, with some accessories in mahogany case 13 3/8in. (34cm.) wide, and a copy of The Book of the Watson Microscope
by Carl Zeiss Jena, No. 145901, with rack and pinion coarse and micrometer fine focusing, triple nose-piece, sub-stage condenser and plano-concave mirror, with some accessories in mahogany case 13 3/8in. (34cm.) wide, and a copy of The Book of the Watson Microscope