Subject ASC0003jbe
Journal of the Royal Microscopical Society.
ser.2:v.3:pt.1:no.1-3 (1883), Page 117 (1878-1968.)
New York Botanical Garden, LuEsther T. Mertz Library
BHL Page 31414361
Keywords
microscopy microscope divided circles apparatus Wanschaff microscopes lens circles Wanschaff's apparatus