Leeds, Charles Carley, 1870- [from old catalog] · New York, D. Van Nostrand company · leaf 116
P. X.3148. The face of the worm gear is usually made equal to from one-halfto three-fourths of the outside diameter of the worm. LESSON.—On Drawing C-1047 is shown a worm gear of 48teeth, 3-inch pitch quadruple, engaged with a worm of 3-inch pitchquadruple thread. From the formulas given above the… … CLASS Industrial trade. MachinistNAME John WRoberts date Jan. 6.09. THE CARNEGIE TECHNICAL SCHOOLS frrrsBufxSH, pa.School, of Appkentices and Jou^nEvMEf/ MECMANICAL. DRAWING WoRf<^ Gearing SCALE 3 Size OYtG.No. C.I047 LESSON No. 53, PLATE CAM.—The subject of cams is such a large one that wecan…
Mechanical drawing
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