Carpenter, William Benjamin, 1813-1885, Dallinger, W. H. (William Henry), 1842-1909 · Philadelphia, Blakiston · leaf 408
us. If the course of the windings is very irregular,as in tig. 319, a little practice and care are neededto distinguish a spiral line as such in small ob- • . mj • • i • -i -iii 1 • •>1;, — A spiral JOCtS. IJie microscopical image might easily lead in motion. US to the conclusion that we were… … 376 PRACTICAL MICROSCOPY pretecl, although here and there by the side of the irregular spiralsquite regular ones are also observed. Moreover, it must not be forgotten that in the microscopicalimage a spiral line always appears wound in the same manner aswhen seen with the naked eye, while in a…
Microscopy
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