Subject ASC0003jyl

Journal of the Royal Microscopical Society.
1888:pt.1:no.1-3 (1888), Page 111 (1878-1968.)
New York Botanical Garden, LuEsther T. Mertz Library
BHL Page 31221816

Keywords

microscope disc zeiss iris diaphragm aperture circle circular hole plate Zeiss metal Iris internal mechanism second disc rotation illumination plates spinning magnify eye hole.

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Species