Subject ASC0003jl7
Journal of the Royal Microscopical Society.
ser.2:v.5:pt.2:no.4-6 (1885), Page 711 (1878-1968.)
New York Botanical Garden, LuEsther T. Mertz Library
BHL Page 31219822
Keywords
lens eyes light microscope technology Topler illuminating Apparatus semicircular diaphragm