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 194
Prob. 10—Given a circle of any diameter. Required: To circum-scribe a hexagon about it. Draw a diameter as BE. With point G ascenter and radius equal to that of given circle, describe arc 2. Bisect thearc GLN and thru L draw^ BC parallel to GN. With O as center andradius BO, describe circle BDF. In…
Mechanical drawing
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