This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Quadruple expansion compound end view Heat Engines . Quadruple expansion compound engine built by Fleming Ferguson of Paisley Cylinder diameters Stroke Boiler pressure psi indicated horsepower Quadruple expansion compound section Heat Engines Steam engine cylinders Steam engines with slide valves Quadruple expansion compound