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 15
METHOD OF LAYING OUT BORDER LINE AND CUTTING LINE (Continued) ^5) JDrci\r/ \/(zry light circular n^c,^ g/^in c/iccrTec/ ^ c cj-tTinTo cfesir^ffcf /enqt, inc/icoTac^. cj-rtTJjna off hof^de-r^ ///-re
Mechanical drawing
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