Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 172
s, and to thisend he adopted struts,such as were used intelescopes, connectingthe body-tube with thebase. The instrument isshown in fig. 112. He also provided mechanical movements to thestage, but no fine adjustment was applied. There was a sub-stageprovided with a rotating disc of graduated… … Fig. 112.—Tullys achromatic microscope. 148 THE HLSTOKY AND EVOLUTION OF THE MICROSCOPE it was needful to use in order to secure a fair image, the objectivesused with this instrument gave a vast increase of light by permit-ting the employment of the full aperture. An extremely interesting…
Microscopy
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