In Six Sections: I. Stationary and Locomotive Steam Engines, Gas Engines. II. Hydraulic Memoranda; Pipes, Pumps, Waterpower. III. Millwork; Shafting, Gearing, Pulleys. IV. Steam-boilers, Safety Valves, Factory Chimneys. V. Heat, Warming and Ventilating; Melting, Cutting, and Finishing Metals; Alloys and Casting; Wheel-cutting; Screw-cutting. VI. Strength and Weight of Materials; Workshop Data, &c