The microscope; an introduction to microscopic methods and to histology (1901)
Gage, Simon Henry, 1851-1944 · Ithaca, N.Y. Comstock publishing company · leaf 67
fractive powers of object and mounting medium.With such images the diaphragm should not be too large (see I S3). If the color and refractive index of the object were exactly like the mount-ing medium it could not be seen. In most cases both refractive index and colordiffer somewhat, there is then a… … Figs. 54-56. Diagrams illustrating refraction in different media and at planeand curved surfaces. In each case the denser medium is represented by line shad-ing and the perpendicular or normal to the refracting surface is represented by thedotted line N-N, the refracted ray by the bent line A C. \…
Microscopy
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