Walker, John R., 1924-
Exploring drafting : basic fundamentals / by John R. Walker. - [Rev. ed.]. - South-Holland, Ill. : Goodheart-Willcox Co., c1987. - 384 p. : ill. (some col.) ; 30 cm.
Includes index.
087006620X
86031968
Mechanical drawing.
T353 / .W22 1987
Exploring drafting : basic fundamentals / by John R. Walker. - [Rev. ed.]. - South-Holland, Ill. : Goodheart-Willcox Co., c1987. - 384 p. : ill. (some col.) ; 30 cm.
Includes index.
087006620X
86031968
Mechanical drawing.
T353 / .W22 1987