A handbook on the teeth of gears, their curves, properties, and practical construction (1887)
Grant, George B. (George Barnard), 1849-1917 · [Boston] · leaf 32
a cutgear, and all cut gear makers are equally certain that a cut gear is more du-rable than a cast gear. The stock argument of the makers of cast gearing is that the one-hundredthof an inch thickness of hard scale on a cast tooth makes it more durablethan a cut gear from which the scale has been… … 121416 Printed from cut segments of 4 to 48diametral pitch.
Gearing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
