The essentials of gearing; a text book for students and for self-instruction, containing numerous problems and practical formulas (1911)
Anthony, Gardner C. (Gardner Chace), 1856- · Boston : D.C. Heath · leaf 75
indicated l)y the curve B C E B H K . This toothwas the invention of Hugo Bilgram, and is frequently confusedwith the involute tooth. It can be formed in a practical mannerby the molding-planing process. The IJilgram machine, de-signed to plane this toolli, is described m tlie Journal of… … Fig. 21.
Gearing
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