Grant, George B. (George Barnard), 1849-1917 · Boston, Grant gear works, incorporated · leaf 47
h curve bymeans of their co-ordinates referred to axesthrough the pitch point. Any point on thecurve is found by laying off a certain dis-tance on the radius T, Fig. 64, and thena certain distance at right ungles to it, thedistances being given by a table for a certainstandard tooth. As many points… … Coordinate odontograph Fig. 64. Obliquity 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…
Gearing
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