Mechanical drawing. Elementary and advanced (1910)
Reid, John S. (John Simpson), 1856- · New York, J. Wiley & sons; [etc, etc.] · leaf 103
l be astraight line i\ 2h, etc. For the second position revolve the said hor. proj. throughthe required angle of 450 to the position ah . . . . 1^, Fig. 123,and through each division in ik . . . . ah draw arcs cuttingah . . . . ih in points 2h$h . . . This is the hor. proj. of theplane when making… … Fig. 123. Fig. 124. tion and through these intersections draw the elevation orvert. proj. of the second position. For the third position make a tracing of the elevation ofthe second position, numbering all the points as before, andplace the tracing so that the diameter yvf° makes the requiredangle…
