A 19th-century brass compound binocular microscope, by R. & J. Beck, London, No. 15910, with rack and pinion coarse focusing, fine adjustment, circular stage, sub-stage condenser, polariser, plano-concave mirror, three objectives and other items including an unusual specimen rotator, the base stamped J. Parkinson, Adelaide See Illustration
A 19th-century brass compound binocular microscope, by R. & J. Beck, London, No. 15910, with rack and pinion coarse focusing, fine adjustment, circular stage, sub-stage condenser, polariser, plano-concave mirror, three objectives and other items including an unusual specimen rotator, the base stamped J. Parkinson, Adelaide See Illustration
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.jpg "Quelle: Christie's")
.jpg "Quelle: Christie's")
