Fig. 2 is a diagram of a card taken from locomotive No. 50 on the Philadelphia, Wilmington, and Baltimore Railroad, in 1867. It was taken at; sixty miles per hour, the piston making 1,222 feet per ...

Engineers use the resulting diagram to check the design and performance of the engine. This is a replica of the original steam indicator invented in the late 18th Century by James Watt of Scotland.

Books Received Published: 22 July 1915 Mechanism of Steam Engines Nature 95, 559–560 (1915) Cite this article ...

Scientists create "the world's smallest steam engine" By James Holloway December 15, 2011 Principle of the microscopic engine (Diagram: University of Stuttgart) View 1 Images ...