The microscope; an introduction to microscopic methods and to histology (1917)
Gage, Simon Henry, 1851-1944 · [Ithaca, N.Y.] The Comstock Pub. Co. · leaf 213
screen. 200 THE PROJECTION MICROSCOPE [Ch. VI (8) For all but the highest powers a substage condenser is notneeded; and one can light objects up to 50 or 60 mm. in diameter ifthe object is placed in the right position in the cone of light (fig. 124). (9) For objectives of higher power than 4 mm. a… … Fig. 121. Illuminating Objects of Various Sizes in Micro-projectionwith the Main Condenser Only. (From Optic Projection). The object must be put in the cone of light at a point where it will be fullyilluminated. For high powers it will be at or very near the focus (/). For larger objects andlow…
Microscopy · Microscopy -- Technique
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