AN UNUSUAL 20TH CENTURY STEREO BINOCULAR MICROSCOPE, Bausch & Lomb, No. 255297, with black-enamelled and crackle finish rack focusing, retaining objective turnet, glass stage and mirror, in case, marked Bausch & Lomb Optical Co./Rochester, NY USA 255297 Pat 1,622,350"-- 14in. (35.5cm.) high ; and a lacquered-brass compound monocular microscope by E. Leitz , No. 399, with rack and pinion coarse and micrometer fine focusing, mechanical stage, triple nose-piece, sub-stage condenser and plano-concave mirror, with accessories, in wooden case, marked on base "E. Laitz Wetzlar No. 399/Filiale, New York" and on rear "ELAP"-- 13in. (33cm.) high
AN UNUSUAL 20TH CENTURY STEREO BINOCULAR MICROSCOPE, Bausch & Lomb, No. 255297, with black-enamelled and crackle finish rack focusing, retaining objective turnet, glass stage and mirror, in case, marked Bausch & Lomb Optical Co./Rochester, NY USA 255297 Pat 1,622,350"-- 14in. (35.5cm.) high ; and a lacquered-brass compound monocular microscope by E. Leitz , No. 399, with rack and pinion coarse and micrometer fine focusing, mechanical stage, triple nose-piece, sub-stage condenser and plano-concave mirror, with accessories, in wooden case, marked on base "E. Laitz Wetzlar No. 399/Filiale, New York" and on rear "ELAP"-- 13in. (33cm.) high
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.jpg "Source: Christie's")
.jpg "Source: Christie's")
