The microscope; an introduction to microscopic methods and to histology (1901)
Gage, Simon Henry, 1851-1944 · Ithaca, N.Y. Comstock publishing company · leaf 241
d to see if there is coincidence in position of the focusingscreen and the sensitive film as described in \ 362. \ 367. Apparatus for Lighting.—For low power work (35 mm. and longerfocus) and for large objects, some form of bulls eye condenser is desirablealthough fairly good work may be done with… … *A comparative study both with projection oculars, and without an ocularwas made with the achromatic objective 25 mm. (1 inch), 18 mm. (finch), 5mm. (A to \ inch) and 2 mm. (jV inch) homogeneous immersion of the Bausch &Lomb Optical Co.; Gundlach Optical Co.; Leitz ; Reichert; Winkel, Zeiss and…
Microscopy
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