crank angle indicator diagram
1Valve gear — The valve gear of a steam engine is the mechanism that operates the inlet and exhaust valves to admit steam into the cylinder and allow exhaust steam to escape, respectively, at the correct points in the cycle. It is sometimes referred to as the… …
2Zhang Heng — For other uses, see Zhang Heng (disambiguation). This is a Chinese name; the family name is Zhang. Zhang Heng (張衡) Born …
3Glossary of rail terminology — Rail transport Operations Track Maintenance High speed Gauge Stations …
4Citroën 2CV — Manufacturer Citroën Production 1948–1990 [1] …