Subject ASC0003j4m
Journal of the Royal Microscopical Society.
ser.2:v.1:pt.1:no.1-3 (1881), Page 339 (1878-1968.)
New York Botanical Garden, LuEsther T. Mertz Library
BHL Page 31227490
Keywords
eye pupil margin Illumination Microscopy device instrument circle focus aperture spot light microscopy experiment image forming optic