Grant, George B. (George Barnard), 1849-1917 · Boston, Grant gear works, incorporated · leaf 54
lira I avranaenient Fig. SI. Double s]}iral arrangement Fig, 82. Circtilar arrangement Fig. 83. -TWISTED TEETH. The thickness of the component gears hasnothing to do with the theoretical action ofthe stepped gear as a whole, and thereforewe can have them as thin as required. If thethickness is…
Gearing
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