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 180
BLEMS Specification—Plate 47A, Make an isometric drawing of the Crank as indicated by the working drawing; also ofthe Brace in Plate 7A. Scale 12 and 9= i Title:— ISOMETRIC DRAWINGS SCALE DATE NAME Dimensions on isometric drawings should be placed so as to read from left to right orfrom the bottom… … 178 MECHANICAL DRAWING PROBLEMS Specification—Plate 48. 1. Draw a helix of two turns having a diameter of 3^ and a pitch of 2 as indicated. 2. Draw a profile, or sectional view of the United States Standard Thread of i pitchas indicated. 3. Draw a conventional representation of screw-threads on a…
Mechanical drawing
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