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 18
o ii a c( ct ^„o <i << it 7o five concentric circles. three eccentric circles 2V2, <( ft le « tt tt It It tt ^^ and i in diameter. m SqSqSq SqSq Draw four Hues used in mechanical drawing; visible, invisible, projection and center lines.Draw three arcs having 9. 8, and 7 inch radii.Omit… … ME.THOD QJF F=>L/\CIM& TfR/A/SfGl-E.B TO C)RA\A/ 1^/ME.xS //V PLATE. J_
Mechanical drawing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
