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细节
A 19th Century lacquered brass Martin-type compound monocular drum microscope
unsigned, with rack and pinion focusing, swivel mirror bull's-eye condenser, six numbered objectives, forceps, six ivory sliders and other irems, in fitted mahogany case - 11in. (28cm.) wide
See Illustration
unsigned, with rack and pinion focusing, swivel mirror bull's-eye condenser, six numbered objectives, forceps, six ivory sliders and other irems, in fitted mahogany case - 11in. (28cm.) wide
See Illustration