Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 211
oothness of the inclining movement or the balancing of theinstrument in all positions j while, by a slight tightening of thescrew, it can be firmly fixed either horizontally, vertically, or at anyinclination. The coarse adjustment is made by a smooth-workingrack ; but the fine adjustment is made to… … Fig. 141.—Bullochs stand. We are now prepared to consider second-class microscopes, which, for practical purposes, are simply smaller forms of the firstclass, with some of the elaborate work omitted. Tims the sta«j<> o Fig. 142.—Bullochs new Congress stand. 188 THE HISTORY AND EVOLUTION OF…
Microscopy
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