The microscope; an introduction to microscopic methods and to histology (1901)
Gage, Simon Henry, 1851-1944 · Ithaca, N.Y. Comstock publishing company · leaf 224
creenwith central transparent area for exactfocusing with a focusing glass when onedoes not possess a clear focusing screen. (/)The ground surface ; (2) Central part withoblong cover-glass and Canada balsam on theground surface to render it transparent. X.The central point in the entire… … 1 2 X
Microscopy
Internet Archive · Biodiversity Heritage Library · Public Domain Mark 1.0. Free to use for anything.
