Gill, P. S.
Textbook of machine drawing / by P. S. Gill - 16th revised and enlarged ed. - New Delhi : S. K. Kataria & Sons., 1998. - 577 p. : ill. ;
Machine Drawing.
Textbook of machine drawing / by P. S. Gill - 16th revised and enlarged ed. - New Delhi : S. K. Kataria & Sons., 1998. - 577 p. : ill. ;
Machine Drawing.