The microscope; an introduction to microscopic methods and to histology (1917)
Gage, Simon Henry, 1851-1944 · [Ithaca, N.Y.] The Comstock Pub. Co. · leaf 249
1) The photographic plates which were originally sensitive onlyto the violet-blue end of the spectrum had to be rendered sensitiveto the other colors. The first step was in getting plates sensitive tothe spectrum as far as the yellow. These are the so-called Isochro-matic or Orthochromatic plates.… … X0.7>x X0.4,i x0.5m x06m Fig. 139. Sensitiveness of the Eye to the Spectrum with Moderate Illumination. (Base Line = Wave lengths X 250,000 times). As shown in this curve the normal human eye with moderate illuminationhas its maximum sensitiveness at about wave length X0.55/Z, that is, in…
Microscopy · Microscopy -- Technique
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