A late 19th-Century lacquered and oxidised-brass Van Heurck-pattern compound monocular microscope, by W. Watson & Sons 313 High Holborn London , with rack and pinion coarse and micrometer fine focusing, graduated draw-tubes, triple nose-piece, mechanical circuit stage with slide holder adjusted by worm gear, sub-stage Abbe condenser, iris diaphragm, with rotation by rack and pinion, the lower limb with plano-concave mirror, the tripod stand with pad feet and cork inserts, with a range of accessories including six eye-pieces, four objectives, bull's-eye condenser and other items, in fitted mahogany case with lacquered-brass swing carrying handle -- 16.1/2in. (42cm.) high See Colour Illustration
A late 19th-Century lacquered and oxidised-brass Van Heurck-pattern compound monocular microscope, by W. Watson & Sons 313 High Holborn London , with rack and pinion coarse and micrometer fine focusing, graduated draw-tubes, triple nose-piece, mechanical circuit stage with slide holder adjusted by worm gear, sub-stage Abbe condenser, iris diaphragm, with rotation by rack and pinion, the lower limb with plano-concave mirror, the tripod stand with pad feet and cork inserts, with a range of accessories including six eye-pieces, four objectives, bull's-eye condenser and other items, in fitted mahogany case with lacquered-brass swing carrying handle -- 16.1/2in. (42cm.) high See Colour Illustration
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.jpg "Source: Christie's")
.jpg "Source: Christie's")
