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 82
y^ MECHANICAL DRAWING PROBLEMS Specification—Plate 19. The view on the vertical plane and the view on the horizontal plane are complete. Obtainthe view on the right profile plane by projection. Show all construction and projectionlines. Scale i2=i. Title:— OCTAGONAL PRISM SCALE DATE NAME PLATE 19 … 8o MECHANICAL DRAWING PROBLEMS Specification—Plate 20. Obtain the view on the right profile plane by projection. Show all construction andprojection lines. Scale i2=i. Title:— TRIANGULAR PYRAMID SCALE UATE NAME PLATE 20
Mechanical drawing
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