Steam Engine Indicators and Valve Gears: A Practical Presentation of Modern Testing, Appliances and Methods Used to Produce, Maximum Efficiency as Applied to the Steam Engine. E-book. Formato PDF Llewellyn V. Ludy   -  Forgotten Books, 2017  - 

The steam engine indicator is an instrument designed to make an accurate graphical diagram of the pressure of the steam in the engine cylinder at all points of the stroke. This diagram affords a means for studying the performance of the steam engine.

Steam Engines: A Thorough and Practical Presentation of Modern Steam Engine Practice. E-book. Formato PDF Llewellyn V. Ludy   -  Forgotten Books, 2017  - 

Low thermal efficiency inherent Losses in practical engine. Radiation. Cooling by expansion Steam condensation and re-evaporation. Exhaust waste Clearance Friction.