Subject ASC0003j4g
Journal of the Royal Microscopical Society.
ser.2:v.1:pt.2:no.4-6 (1881), Page 653 (1878-1968.)
New York Botanical Garden, LuEsther T. Mertz Library
BHL Page 31227882
Keywords
Fig. 136 Microscope prisms. geometric geometry angles edges polygons prism microscope microscopy erecting binocular microscope Ahrens