Parkinson, A. C.
Intermediate Engineering Drawing - 5 - London Sir Issac Pitman 1964 - p.247
Conventions & Geometry Screw Threads Shaft Coupling Valves Toothed Gearing
744.422 P247I
Intermediate Engineering Drawing - 5 - London Sir Issac Pitman 1964 - p.247
Conventions & Geometry Screw Threads Shaft Coupling Valves Toothed Gearing
744.422 P247I