Storage Battery. Batteries of Planté, Faure and Brush. Electric Welding. Direct Generation of Electricity by Combustion. Electric Boats. Electro-Plating. Edison’s Electric Pen. Electricity in Medicine. Electric Cautery. Electric Musical Instruments. Electric Blasting. CHAPTER X. THE STEAM ENGINE. Hero’s Engine, and Other Early Steam Engines. Watt’s Steam Engine. The Cut-Off. Giffard Injector. Bourdon’s Steam Gauge. Feed Water Heaters, Smoke Consumers, etc. Rotary Engines. Steam Hammer. Steam Fire Engine. Compound Engines. Schlick and Taylor Systems of Balancing Momentum of Moving Parts. Statistics. CHAPTER XI. THE STEAM RAILWAY. Trevithick’s Steam Carriage. Blenkinsop’s Locomotive. Hedley’s “Puffing Billy.” Stephenson’s Locomotive. The Link Motion. Stockton and Darlington Railway, 1825. Hackworth’s “Royal George.” The “Stourbridge Lion” and “John Bull.” Baldwin’s Locomotives. Westinghouse Air Brakes. Janney Car Coupling. The Woodruff Sleeping Car. Railway Statistics. CHAPTER XII. STEAM NAVIGATION. Early Experiments. Symington’s Boat. Col. John Stevens’ Screw Propeller. Robt. Fulton and the “Clermont.” First Trip to Sea by Stevens’ “Phœnix.” “Savannah,” the First Steam Vessel to Cross the Ocean. Ericsson’s Screw Propeller. The “Great Eastern.” The Whale Back Steamers. Ocean Greyhounds. The “Oceanic,” largest Steamship in the World. The “Turbinia.” Fulton’s “Demologos,” First War Vessel. The Turret Monitor. Modern Battleships and Torpedo Boats. Holland Submarine Boat. CHAPTER XIII. PRINTING. Early Printing Press. Nicholson’s Rotary Press. The Columbian and Washington Presses. König’s Rotary Steam Press. The Hoe Type Revolving Machine. Color Printing. Stereotyping. Paper Making. Wood Pulp. The Linotype. Plate Printing. Lithography. CHAPTER XIV. THE TYPEWRITER. Old English Typewriter of 1714. The Burt Typewriter of 1829. Progin’s French Machine of 1833. Thurber’s Printing Machine of 1843. The Beach Typewriter. The Sholes Typewriter, the First of the Modern Form, Commercially Developed into the Remington. The Caligraph, Smith- Premier, and Others. CHAPTER XV. THE SEWING MACHINE. Embroidery Machine the Forerunner of the Sewing Machine. Sewing Machine of Thomas Saint. The Thimonnier Wooden Machine. Greenough’s Double-Pointed Needle. Bean’s Stationary Needle. The Howe Sewing Machine. Bachelder’s Continuous Feed. Improvements of Singer. Wilson’s Rotary Hook, and Four-Motion Feed. The McKay Shoe Sewing Machine. Button Hole Machines. Carpet Sewing Machine. Statistics. CHAPTER XVI. THE REAPER. Early English Machines. Machine of Patrick Bell. The Hussey Reaper. McCormick’s Reaper and Its Great Success. Rivalry Between the Two American Reapers. Self Rakers. Automatic Binders. Combined Steam Reaper and Threshing Machine. Great Wheat Fields of the West. Statistics. CHAPTER XVII. VULCANIZED RUBBER.