Grant, George B. (George Barnard), 1849-1917 · Boston, Grant gear works, incorporated · leaf 28
anywhere except at thepitch line, without causing a break in theline of action. As the normals p q are parallel, the line ofaction is a straight line W 0 W at rightangles to the rack odontoid. The inter-changeable line of action is continued in astraight line on both sides of the pitch line,bu. the… … mg, 34
Gearing
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