Subject ASC0003j37
Journal of the Royal Microscopical Society.
ser.2:v.1:pt.1:no.1-3 (1881), Page 523 (1878-1968.)
New York Botanical Garden, LuEsther T. Mertz Library
BHL Page 31227686
Keywords
Microscope diaphragm microscope diaphragm-plate rotating bousfield