Mechanical drawing. Elementary and advanced (1910)
Reid, John S. (John Simpson), 1856- · New York, J. Wiley & sons; [etc, etc.] · leaf 37
q 1 & 3 4 S 6 7 89 1.0111213 U J>Fig. 27. … Fig and the tooth T5T. The T*T which the space is larger than thetooth is called the backlash. Let AB be the pitch chord ofthe arc AB. Draw CD parallel to AB at any convenientdistance and set off on it 1x. equal spaces of any convenientlength. Draw CA and DB intersecting at E. From point5 draw a…