A handbook on the teeth of gears, their curves, properties, and practical construction (1890)
Grant, George B. (George Barnard), 1849-1917 · Lexington, Mass., Lexington Gear Works · leaf 55
greatest objection to it in comparison withits simpler and superior rival. the case of entire coincidence. If the differ * The discovery of the law of internal interference, as far as it relates to cycloidal teeth,is generallycredited to Prof. C. W. MacCord ; but, in claiming that discovery, the… … The comparative EFFICIENCY of the TEETH of GEARS. [Reprinted from the Journal of the Franklin Institute, May, 1887.] The effect of friction between the teeth of gears is not wellunderstood, and the popular impression, even among educatedengineers, concerning the comparative efficiency of the two…
Gearing
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