Uniflow steam engine
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The uniflow type of steam engine uses steam that flows in one direction only in each half of the cylinder. Thermal efficiency is increased by having a temperature gradient along the cylinder. Steam al
Galloway uniflow steam engine, now in Thinktank, Birmingham Science Museum
A restored 1918 Atkinson Uniflow steam wagon, photographed in 1977
Steeple compound engine
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A steeple compound engine is a form of tandem compound steam engine that is constructed as an inverted vertical engine. Because of their great height, they became known as "steeple" engines.
Uniflow steam engine
…during the late 1930s and 1940s by the Skinner Engine Company with the development of the Compound Unaflow Marine Steam Engine. These engines use a steeple compound configuration and their efficiency approaches contemporary diesels. Many car ferries on the Great Lakes were so equipped, one of which is still operating, SS Badger…
Fitchburg steeple compound engine
Willans & Robinson engine, driving a dynamo generator