A Textbook of Machine Drawing /
Gill, P. S
A Textbook of Machine Drawing / P. S. Gill - New Delhi : S. K Kataria & Sons, 2021. - 698p.
9789350144169
Principles of mechanism --Technology 
621.815 / GillT
A Textbook of Machine Drawing / P. S. Gill - New Delhi : S. K Kataria & Sons, 2021. - 698p.
9789350144169
Principles of mechanism --Technology 
621.815 / GillT