The essentials of gearing; a text book for students and for self-instruction, containing numerous problems and practical formulas . - toothcurve of reasonable form be assumed, a second curvemay be obtained which shall be conjugate to the a reasonable form is meant the conformity to thefoUowdng principle: — The normals to the curve must come into actioiconsecutively, as in Fig. o4, and not as in Fig. 8), inwhich it will be seen that the normal E F will passthrough the pitch point M, and the point E come into. Fig. 36. 64 WORM GEARING.

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Keywords: ., bookcentury1900, bookdecade1910, bookidessentialsgearing00anth