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Scientific American, Vol. 21, No. 5 (1869) (1869)

leaf 4

An illustration from Scientific American, Vol. 21, No. 5 (1869), 1869, leaf 4
ectiog with a piece shown at a definite rule determining the proper epicycloidal and hy- Gerrespontlence. C, and in detail at the upper left-hafl corner of the engrav- pocycloidal curves of teeth for wheels of different diameters. The Editors are not responsible for the Opinions expressed by their… … definitely less than } & and also 7’ indefinitely less than 7, source forcarbolic acid. Rottier found this hypothesis not ca b, tooth of wheel FR, the horse’s neck. The collar can be made 1@ger or smaller confirmed. Decomposition set in after the usual period of ead, tooth of wheel 7. by using a…

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