Subject ASC0003jad
Journal of the Royal Microscopical Society.
ser.2:v.2:pt.2:no.4-6 (1882), Page 551 (1878-1968.)
New York Botanical Garden, LuEsther T. Mertz Library
BHL Page 31218658
Keywords
Steinheil achromatic eye-piece micrometry Coddington lens microscopy microscope steinheil achromatic eye piece eyepiece ingpen double convex lens crown meniscus flint groove diaphragm