Problems in mechanical drawing /
Levens, A.S.
Problems in mechanical drawing / [textbook] by A.S. Levens - Fourth edition / - New York: McGraw-Hill, 1974 - 92 pages : illustrations;
T353 / LEV
Problems in mechanical drawing / [textbook] by A.S. Levens - Fourth edition / - New York: McGraw-Hill, 1974 - 92 pages : illustrations;
T353 / LEV