细节
A binocular microscope by Zeiss,
No. 185253, in black enamel with lacquered brass and nickel-plated fittings, one pair of eyepieces, four objectives in quadruple nosepiece, mechanical rotating stage, sub-stage condenser and swing-out diaphragm, mirror and V-foot -- 13in. (33cm.) high, 20th century, in mahogany case
No. 185253, in black enamel with lacquered brass and nickel-plated fittings, one pair of eyepieces, four objectives in quadruple nosepiece, mechanical rotating stage, sub-stage condenser and swing-out diaphragm, mirror and V-foot -- 13in. (33cm.) high, 20th century, in mahogany case