Grant, George B. (George Barnard), 1849-1917 · Boston, Grant gear works, incorporated · leaf 48
uity of Action, 45 86.—THE TEMPLET ODONTOGRAPH. Prof. Robinsons templet odontograph isan instrument, not a method. It is a pieceof sheet metai, Fig. 65, having two edgesshaped to logarithmic spirals. It is laidupon the drawing, according to directionsgiven in an accompanying pamphlet, andused as a… … The tem^plet odontograplt Fig, 65, 87.—OBLIQUITY OF THE ACTION. When the point of contact between twoteeth is at the pitch point 0, Fig. 66, thepressure between the teeth is at right anglesto the line of centers, but, as the point of con-tact recedes from the line, the direction ofthe pressure…
Gearing
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