A guide to engineering drawing /
Schiffer, G. R.
A guide to engineering drawing / G. R. Schiffer - rev. ed. - London : Blackie & Son Limited, 1967 - 64 p. : ill. ; 21 cm.
Mechanical drawing
A guide to engineering drawing / G. R. Schiffer - rev. ed. - London : Blackie & Son Limited, 1967 - 64 p. : ill. ; 21 cm.
Mechanical drawing