Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 823
812 GEERING. … c. A straight lino drawn from A through c will then make the required division of the angle B A C,ard deline the line of contact of the two cones, by means of which the two rolling frusta may be pro-jected at any convenient distance from A. Otherwise, having determined the relative…
Mechanical engineering
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