Piston air valves increase capability
World pumps ; 494 ; 14
2007
Aufsatz (Zeitschrift)
Englisch
Engineering Index Backfile | 1900
|Engineering Index Backfile | 1899
|Locomotive with piston valves -- Norfolk and Western railway
Engineering Index Backfile | 1898
Electromagnetic valves increase engine efficiency
British Library Online Contents | 1997
New application of piston valves to slide valve cylinders
Engineering Index Backfile | 1920
|