The microscope; an introduction to microscopic methods and to histology (1917)
Gage, Simon Henry, 1851-1944 · [Ithaca, N.Y.] The Comstock Pub. Co. · leaf 255
e those, or be redonly. For panchromatic plates which are sensitive to all wave lengthsthe only safe method is to develop in total darkness for any lightwill fog the plate if it acts sufficiently upon it. Sometimes very darkgreen is used, for the eye is most sensitive to green if the light is… … Fig. 143. Dark Room for Photography and Drawing in a Large Room. (From Optic Projection). dark room for half an hour or more. The total darkness method issafest. One learns rather quickly to work in total darkness, and thetime during which development goes on can be determined by count-ing seconds…
Microscopy · Microscopy -- Technique
Internet Archive · Biodiversity Heritage Library · Public Domain Mark 1.0. Free to use for anything.