Mechanical drawing problems for high schools, normal schools and vocational schools (1918)
Berg, Edward. [from old catalog], Kronquist, Emil F. (Emil Fritjoff), b. 1882 · Peoria, Ill. : The Manual arts press · leaf 182
s of the cylinder, and at some regular prescribed proportion of travel in this directionto each revolution of the cylinder. The pitch of the helix is the distance between any twopoints in the path of the cylinder measured parallel with the axis of the cylinder. See pages199 and 200. In the drawing… … l80 MECHANICAL DRAWING PROBLEMS Specification—Plate 48A. 1. Draw a i hexagonal bolt and nut, U. S. Standard Thread, using the con\entionalmethod of representing the thread as indicated.. 2. Draw a i square-head bolt and nut, U. S. Standard Thread, using the conventionalmethod of representing thread…
Mechanical drawing
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