A short treatise on the designing and construction of gearing and mill-work. Accompanied by an explanation of the construction and use of the odontograph of Prof. Willis .. (1873)
[Scott, David] engineer. [from old catalog] · New York, D. Appleton and company · leaf 42
thicknesses of the teeth, throughtlie extremity h of the pitch a 6 of the pinion, draw a radius B h cutting the circumference of the epicy-cloidal circle Y in d. Joining the point d with the first division h of the wheel, draw a perpendicularupon the middle of the line dh meeting the circumference… … The length of the teeth is limited at d where the curve of the tooth meets the chcumference of tliGepicycloidal circle Y; for when the tooth has arrived at that point, another pair ought to come in*-geer at the line of centres. The flank of the tooth beingradial, may be defined by a right line from…
Gearing · Mills and mill-work · Odontograph
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