Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 169
an extra Ion- eye-piece tube to permit the focussing by movement of the eve-lens.The object was placed at IN ; the image was taken up by theconcave, reflected on the convex, and again reflected to the eye-lens.He advised the use of a condensing lens for the illumination, to pre-vent the mixture of… … Fig. 109.—Smiths n il. tin^ mi. r. • < , .].,■ 17;;-. this instrument, but with the condenser it would be of course, im-proved. We have not followed in any detail the forms of simple microscopes as they presented themselves, but in I7-V> a form was madeby Cuff that can only be regarded as the…
Microscopy
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