An exceptionally rare late 19th-Century lacquered-brass R & J BECK compound binocular "International" model microscope,

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An exceptionally rare late 19th-Century lacquered-brass R & J BECK compound binocular "International" model microscope,
with rack and pinion coarse focusing and micrometer fine adjustment, prism, swinging sub-stage with rack adjustment, engraved circle, engraved fine adjustment quadrants, mounted with the mechanical circular stage arranged so as to rotate and revolve, with chamfered engraved circle, bone ivory adjusting levers, the sub-stage condenser mounted with iris diaphragm and clamp screws for other accessories and fine adjustment, with four eyepieces, plano-concave mirror arranged on a sliding socket, the body limb mounted on twin tapering pillars with chamfered scale and tripod stand engraved R & J Beck London, with photocopy of the R & J Beck 1894 catalogue entry, in mahogany carrying case with swinging handle -- 19¾in. (50.1cm.) high

See Colour Plate

Lot Essay

Examination of the R & J Beck catalogue description (1894) shows that this magnificent microscope was priced at two hundred and twenty pounds complete, and with lesser accessories ranged from forty-three pounds to one hundred and thirty pounds

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