Subject ASC0003j89
Journal of the Royal Microscopical Society.
ser.2:v.2:pt.1:no.1-3 (1882), Page 270 (1878-1968.)
New York Botanical Garden, LuEsther T. Mertz Library
BHL Page 31214121
Keywords
diagram condenser mechanical engineering engine parts Mechanical lens microscopy microscope objective Beck's Achromatic Condenser for Dry and Immersion Objectives lenses aperture lens diaphragm