Engine Tests: Embracing the Results of Over One Hundred Feed-Water Tests and Other Investigations on Various Kinds of Steam Engines, Conducted by the Author (Classic Reprint) Barrus, George Hale Heftet / 2018 / Engelsk
Engine Tests: Embracing the Results of Over One Hundred Feed-Water Tests and Other Investigations on Various Kinds of Steam Engines, Conducted by the Author (Classic Reprint) Barrus, George Hale Innbundet / 2018 / Engelsk
Star Improved Steam Engine Indicator (Classic Reprint) Barrus, George Hale Innbundet / 2018 / Engelsk