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 841
irst division V of the wheel, draw a perpendicularupon the middle of the line db meeting the circumference of A at the point h ; an arc described fromthis point as a centre, and with h b as a radius, will define the curve of the teeth of the wheel withsufficient exactness. 830 GEERING. The length… … gecr at the line of centres. The Hank of the tooth beingradial, may be defined by a right line from the terminationof the curve of the face of the tooth in the pitch circledrawn towards the centre A. As the tooth is symmetrical about the axis A k\ its op-poeite laee may be described by taking off…
Mechanical engineering
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