Walker, John R.
Exploring drafting : basic fundamentals / by John R. Walker. - South Holland, Ill. : Goodheart-Willcox Co., c1978. - 320 p. : ill.
Includes index.
087006262X
78015883
Mechanical drawing.
Exploring drafting : basic fundamentals / by John R. Walker. - South Holland, Ill. : Goodheart-Willcox Co., c1978. - 320 p. : ill.
Includes index.
087006262X
78015883
Mechanical drawing.