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 56
52 MECHAXICAL DRAWING PROBLEMS Specification—Plate 11 A.Make a complete working drawing of the Strap. Scale I2=i, Title:— STRAP SCALE DATE NAME XOTES OX DiMEXSIOXIXG. 1. A center line should never be used as a dimension line. 2. The radius of an arc of a circle should be marked R, or R.a.d. 3. In… … 54 MECHANICAL DRAWING PROBLEMS Specification—Plate 12. Make a complete working drawing of the Face-plate. Bore %. Scale I2=i. Title:— FACE-PLATE SCALE DATE NAME Sharp inside corners make a casting or a machine part weak, and should always be avoidedif possible. These corners may be strengthened by…
Mechanical drawing
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