The microscope; an introduction to microscopic methods and to histology (1899)
Gage, Simon Henry, 1851-1944 · Ithaca, N. Y., Comstock publishing company · leaf 213
true when mono-chro-matic light and even when petroleum light is used. In case the two foci are sounlike in an objective, it would be better to discard it for photography altogether,for the estimation of the proper position of the sensitive plate after focusing isonly guess work and the result is… … Fig. 146. IValmsleys Autograph Photo-Micrographic Camera in a vertical po-sition. Compare Fig. 1 jj (From the /roc. Amer. Micr. Soc. Vol. XVII, 1S95). CH 17//.} PHOTO-MICROGRAPHY. 191 screen. They should be carefully tested 10 see if there is coincidence in positionof tlie focusing screen and the…
Microscopy -- Technique
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