ROSS-ZENTMAYER PATENT MICROSCOPE

c. 1885

SIGNED ON THE FOOT: ROSS 5235 LONDON

AND INSCRIBED ON THE BACK OF THE LIMB: PATENT

SERIAL NUMBER: 5235

MODEL:No 1 PATENT BINOCULAR MICROSCOPE

Authors: Barry Sobel and Jurriaan de Groot

Editor: Joseph Zeligs

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