細節
A lacquered-brass compound monocular microscope,
by R. & J. Beck, No. 16949, with rack and pinion coarse and micrometer fine focusing, triple nose-piece, circular stage, with glass specimen plate and adjustable clamps, sub-stage condenser with iris diaphragm and filter holder, and plano-concave mirror, the body limb raised on a tapering pillar support from the Y-shaped stand, with an additional eyepiece and a Carl Zeiss 1/12 oil immersion objective, in mahogany case -- 13in. (33cm.) high
See Colour Illustration
by R. & J. Beck, No. 16949, with rack and pinion coarse and micrometer fine focusing, triple nose-piece, circular stage, with glass specimen plate and adjustable clamps, sub-stage condenser with iris diaphragm and filter holder, and plano-concave mirror, the body limb raised on a tapering pillar support from the Y-shaped stand, with an additional eyepiece and a Carl Zeiss 1/12 oil immersion objective, in mahogany case -- 13in. (33cm.) high
See Colour Illustration