How it works, illustrated : everyday devices and mechanisms
Graf, Rudolf F. and Whalen, George J.
How it works, illustrated : everyday devices and mechanisms - London Popular Science 1974 - viii,182p.
0285621734
Engineering
Mechanical Engineering
621 / GRA
How it works, illustrated : everyday devices and mechanisms - London Popular Science 1974 - viii,182p.
0285621734
Engineering
Mechanical Engineering
621 / GRA