Subject ASC0003jk1
Journal of the Royal Microscopical Society.
ser.2:v.5:pt.1:no.1-3 (1885), (1878-1968.)
New York Botanical Garden, LuEsther T. Mertz Library
BHL Page 31609775
Keywords
microscopy microscope mirror diaphragm Bausch and Lomb ebonite centering mirror diaphragm illumination lighting microscope lighting