href="@public@vhost@g@gutenberg@html@files@35916@[email protected]#Page_314" class="pginternal" tag="{http://www.w3.org/1999/xhtml}a">314; its Performance, 316; the Detachable Valve-Gear, 316; the Sickels Cut-off, 317; Expansion adjusted by the Governor, 318; the Corliss Engine, 319; the Greene Engine, 321; Perkins’s Experiments, 323; Dr. Alban’s Work, 325; the Perkins Compound Engine, 327; the Modern Pumping-Engine, 328; the Cornish Engine, 328; the Steam-Pump, 331; the Worthington Pumping-Engine, 333; the Compound Beam and Crank Engine, 335; the Leavitt Pumping-Engine, 336; the Stationary Steam-Boiler, 338; “Sectional” Steam-Boilers, 343; “Performance” of Boilers, 344.

    Section II.—Portable and Locomotive Engines. 347   The Semi-Portable Engine, 348; Performance of Portable Engines, 350; their Efficiency, 352; the Hoadley Engine, 354; the Mills Farm and Road Engine, 356; Fisher’s Steam-Carriage, 356; Performance of Road-Engines, 357; Trial of Road-Locomotives by the Author, 358; Conclusions, 358; the Steam Fire-Engine, 360; the Rotary Steam-Engine and Pump, 365; the Modern Locomotive, 368; Dimensions and Performance, 373; Compound Engines for Locomotives, 376; Extent of Modern Railroads, 378;     Section III.—Marine Engines. 379   The Modern Marine Engine, 379; the American Beam Engine, 379; the Oscillating Engine and Feathering Wheel, 381; the two “Rhode Islands,” 382; River-Boat Engines on the Mississippi, 384; Steam Launches and Yachts, 386; Marine Screw-Engines,