Technical drawing problems, series 2 /
Spencer, Henry Cecil, 1903-
Technical drawing problems, series 2 / by Henry Cecil Spencer, Iv an Leroy Hill and John Thomas Dygdon. - 4th ed. - New York : Macmillan Pub. Co. 1980. - v. : illus. ; 28 cm.
0024143308
Mechanical drawing -- Problems, exercises, etc.
Q 604.2 SPE
Technical drawing problems, series 2 / by Henry Cecil Spencer, Iv an Leroy Hill and John Thomas Dygdon. - 4th ed. - New York : Macmillan Pub. Co. 1980. - v. : illus. ; 28 cm.
0024143308
Mechanical drawing -- Problems, exercises, etc.
Q 604.2 SPE