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 146
142 MECHANICAL DRAWING PROBLEMS Specification—Plate 39. Make a drawing, including an auxiliary view, and develop a pattern for the TruncatedCone. Scale I2=i. Title:— TRUNCATED CONE SCALE DATE NAME PLATE 39 … 144 MECHANICAL DRAWING PROBLEMS Specification—Plate 39A.Make a drawing and develop a pattern for the Oblique Cone. Scale J2=i. Title:— OBLIQUE CONE SCALE DATE NAME PLATE 39A
Mechanical drawing
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