Forney's Tank-Locomotive 370 127. British Express Engine 371 128. The Baldwin Locomotive. Section 372 129. The American Type of Express Engine, 1878 374 130. Beam Engine 380 131. Oscillating Steam-Engine and Feathering Paddle-Wheel 381 132. The Two "Rhode Islands," 1836-1876 383 133. A Mississippi Steamboat 384 134. Steam-Launch, New York Steam-Power Company 386 135. Launch-Engine 387 136. Horizontal, Direct-acting Naval Screw Engine 389 137. Compound Marine Engine. Side Elevation 390 138. Compound Marine Engine. Front Elevation and Section 391 139. Screw-Propeller 400 140. Tug-Boat Screw 401 141. Hirsch Screw 401 142. Marine Fire-Tubular Boiler. Section 403 143. Marine High-Pressure Boiler. Section 404 144. The Modern Steamship 407 145. Modern Iron-Clads 410 146. The "Great Eastern" 415 147. The "Great Eastern" at Sea 416 PORTRAITS. NO. PAGE 1. Edward Somerset, the Second Marquis of Worcester 20 2. Thomas Savery 31 3. Denys Papin 46 4. James Watt 80 5. Matthew Boulton 94 6. Oliver Evans 154 7. Richard Trevithick 174 8. Colonel John Stevens 178 9. George Stephenson 183 10. Robert Fulton 251 11. Robert L. Stevens 270 12. John Elder 393 13. Benjamin Thompson, Count Rumford 434 14. James Prescott Joule 439 15. Prof. W. J. M. Rankine 443