American machinists' handbook and dictionary of shop terms : a reference book of machine shop and drawing room data, methods and definitions (1914)
Colvin, Fred H. (Fred Herbert), 1867-1965, Stanley, Frank A. (Frank Arthur), b. 1874 · New York : McGraw-Hill book company ; London : Hill · leaf 637
spiral teethwhich run together at an angle and do th«;work of bevel gears. Spur Gears — Wheels or cylinders whoseshafts are parallel, having teeth acrossface. Teeth can be straight, helical orskew or herring bone. Staggered Tooth Gears — Made up of two or more straight tooth spurgears, teeth set so…
Machine-shop practice
Internet Archive · UMass Dartmouth, Claire T. Carney Library · Public Domain Mark 1.0. Free to use for anything.
