Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 188
be compensated. It is obvious that tin-slowness of the motion is here controlled by three factors : (1) thelength of the lever, D; (2) the distance of the lifting-stud, E, fromthe pivot or fulcrum ; and the pitch of the screw-thread on F. Manifestly, where a side-lever tine adjustment such as this… … adjustment screw to the left hand. dexterity is -not at present a common gift, and to have the righthand free is important. This was pointed out by Mr. Nelson whenthis fine adjustment was first introduced, and he had a studentsmicroscope constructed with the micrometer milled head on theleft side,…
Microscopy
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