Healy, W. L.
Simplified drafting practice : a modern approach to industrial drafting / W. L. Healy and A. H. Rau. - New York : John wiley & sons, 1953. - 156 p. : ill. ; 30 cm. .
Includes index.
300 300
Drafting-practice.
744 / H347o
Simplified drafting practice : a modern approach to industrial drafting / W. L. Healy and A. H. Rau. - New York : John wiley & sons, 1953. - 156 p. : ill. ; 30 cm. .
Includes index.
300 300
Drafting-practice.
744 / H347o