Walker, John R., 1924-
Exploring metric drafting : basic fundamentals / by John R. Walker. - South Holland, Ill. : Goodheart-Willcox Co., c1980. - 320 p. : ill. ; 29 cm.
Includes index.
0870062891
B-18846
79024019
Mechanical drawing.
Metric system.
T353. / .W23 1980
604/.2
Exploring metric drafting : basic fundamentals / by John R. Walker. - South Holland, Ill. : Goodheart-Willcox Co., c1980. - 320 p. : ill. ; 29 cm.
Includes index.
0870062891
B-18846
79024019
Mechanical drawing.
Metric system.
T353. / .W23 1980
604/.2