Engine, Boiler, and Screw-Propellers used by Stevens, 1804 265 85. Stevens's Screw Steamer, 1804 265 86. John Stevens's Twin-Screw Steamer, 1805 269 87. The Feathering Paddle-Wheel 272 88. The "North America" and "Albany," 1827-'30 274 89. Stevens's Return Tubular Boiler, 1832 275 90. Stevens's Valve-Motion 276 91. The "Atlantic," 1851 290 92. The Side-Lever Engine, 1849 291 93. Vertical Stationary Steam-Engine 308 94. Vertical Stationary Steam-Engine. Section 309 95. Horizontal Stationary Steam-Engine 312 96. Horizontal Stationary Steam-Engine 313 97. Corliss Engine 319 98. Corliss Engine Valve-Motion 320 99. Greene Engine 321 100. Thurston's Greene-Engine Valve-Gear 322 101. Cornish Pumping-Engine, 1880 329 102. Steam-Pump 331 103. The Worthington Pumping-Engine, 1876. Section 333 104. The Worthington Pumping-Engine 334 105. Double-Cylinder Pumping-Engine, 1878 335 106. The Lawrence Water-Works Engine 336 107. The Leavitt Pumping-Engine 337 108. Babcock & Wilcox's Vertical Boiler 341 109. Stationary "Locomotive" Boiler 342 110. Galloway Tube 343 111. Harrison's Sectional Boiler 345 112. Babcock and Wilcox's Sectional Boiler 346 113. Root Sectional Boiler 347 114. Semi-Portable Engine, 1878 348 115. Semi-Portable Engine, 1878 349 116. The Portable Steam-Engine, 1878 354 117. The Thrashers' Road-Engine, 1878 355 118. Fisher's Steam-Carriage 356 119. Road and Farm Locomotive 357 120. The Latta Steam Fire-Engine 361 121. The Amoskeag Engine. Section 363 122. The Silsby Rotary Steam Fire-Engine 364 123. Rotary Steam-Engine 365 124. Rotary Pump 366 125. Tank Engine, New York Elevated Railroad 369 126.