Industrial production illustration for students, draftsmen and illustrators, /
Hoelscher, Randolph P.
Industrial production illustration for students, draftsmen and illustrators, / Randolph P Hoelscher. - 2nd ed. - [S.l.] : McGraw-Hill book company, inc, 1946. - 243 p. ; 23 cm.
Industrial production illustration for students, draftsmen and illustrators, / Randolph P Hoelscher. - 2nd ed. - [S.l.] : McGraw-Hill book company, inc, 1946. - 243 p. ; 23 cm.