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 42
artly in section and the surface or surfaces which have been cut. or supposedlysawed, are covered with section lines representing the kind of material used. See page 196. Section lines are generally the last lines to be drawn and should not be put on until alldimensions have been placed. 1. Why are… … _|.0 MECHANICAL DRAWING PROBLEMS Specification—Plate 8A. Make a complete working drawing of the Tr}-square, including the front view, topview, left-side view and an isolated section of the beam. Scale I2^i. The graduations, or division marks on the blade, are to be drawn with light lines andare Ys,…
Mechanical drawing
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