Levens, A. S. 1900-.
Problems in engineering drawing : series 5 A. S. Levens and A. E. Edstrom. - New York : McGraw-Hill book company, inc., c1960. - various pages : diagrs. ; 30 cm.
english
45005046
Mechanical drawing.
T353 / .L63
744.422076/LEP
Problems in engineering drawing : series 5 A. S. Levens and A. E. Edstrom. - New York : McGraw-Hill book company, inc., c1960. - various pages : diagrs. ; 30 cm.
english
45005046
Mechanical drawing.
T353 / .L63
744.422076/LEP