=Gasolene=—Its properties and Economical Use—Production of Gasolene—Its distillation—Specific gravity—Vaporization experiments—Proper design and function of the carbureter—The ton mileage Method of arriving at economy—Quality of the fuel. =Gasolene hints and tips.= =Operating mechanism of a modern car.= =Choice of a car, Etc.=—Considerations of price and cost of maintenance—Small and large cars—New and tried types—Second hand cars. =Change speed gear=—Various forms—Selective sliding gears—The Panhard and Mercedes systems—Gate control mechanism, etc. =Don’ts= for motor car drivers and tire owners. Price, FLEXIBLE LEATHER $1.50 CLOTH BINDING 1.00 Gas Engine Troubles and Installation [Illustration] By J. B. RATHBUN. B. S. C. E. Author of “Commercial Vehicles for All Purposes,” “Oxygen—Acetylene Welding,” etc. 420 Pages, 150 Detailed Line Drawings and Illustrations. ¶ A book that shows you HOW TO INSTALL—HOW TO OPERATE—HOW TO MAKE IMMEDIATE REPAIRS and HOW TO KEEP A GASOLENE ENGINE RUNNING. The language is simple—The illustrations are clear. The book is authentic—complete—up-to-the-minute, written by an expert who is employed daily as a Consulting and Demonstrating Engineer and Instructor. Nothing has been omitted—It contains no useless matter—Just the cream of daily experience. Two Folding Trouble Charts. CONTENTS