Gas-Engines and Producer-Gas Plants A Practice Treatise Setting Forth the Principles of Gas-Engines and Producer Design, the Selection and Installation of an Engine, Conditions of Perfect Operation, Producer-Gas Engines and Their Possibilities, the Care of Gas-Engines and Producer-Gas Plants, with a Chapter on Volatile Hydrocarbon and Oil Engines - Mathot, Rodolphe Edgard, 1866-; Clerk, Dugald, Sir, 1854-1932 [Author of introduction, etc.]; Kaempffert, Waldemar, 1877-1956 [Translator]