Subject ASC0003jik
Journal of the Royal Microscopical Society.
ser.2:v.5:pt.1:no.1-3 (1885), Page 126 (1878-1968.)
New York Botanical Garden, LuEsther T. Mertz Library
BHL Page 31609345
Keywords
condensor Swift J. Swift’s cone and achromatized immersion paraboid condenser condenser paraboloid Swift's Cone Wallich Achromatized Immersion engineering paraboilid swift's cone