The microscope; an introduction to microscopic methods and to histology (1917)
Gage, Simon Henry, 1851-1944 · [Ithaca, N.Y.] The Comstock Pub. Co. · leaf 225
ade. Thismethod has the further advantage that the focus level is determinedfor the plate holder and not for a focusing screen. It is in fact an Fig. 127. Ground-glass Fo-cusing Screen with Clear Cen-ter for Fine Focusing. 1 The ground or frosted sur-face of the glass. 2 A cover-glass stuck to… … 212 FOCUSING IN PHOTOGRAPHY [Ch. VII excellent way to check up the similarity of level of the ordinaryfocusing screen and the plate holder. Frequently they do not agreeclosely enough for the more exacting work, especially in photo-micrography. If the focus is found to be exact proceed to set…
Microscopy · Microscopy -- Technique
Internet Archive · Biodiversity Heritage Library · Public Domain Mark 1.0. Free to use for anything.
