CONTENTS.
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Side-lever Combined Blowing Engines, ... ... ... ... ... ... 274
Vertical Blowing Engines—Vertical Table Engine, .277
Horizontal High-pressure Blowing Engines, ... ... ... ... ... 280
Rolling-mill Engines. Examples at Dowlais Iron Works—Arrangement of
Rolls for working in two directions, ... ... ... ... ... ... 285
Compound Reversing Rail-mill Engines. Examples at Hallside Steel Works,
near Glasgow, ... ... ... ... ... ... ... ... ... 291
The Corliss Engine. Characteristic Features of this Engine—Diagrams from
Beam Condensing Corliss Engine, ... ... ... ... ... ... 295
High and Low Pressure Combined Beam Engine, ... ..299
Rules for Pumping Engines. Horse-power—Pumpingof Water out of Docks —Area of Cylinder—Valves—Duty of an Engine—To overcome Friction ofWater through Pipes—Delivery of Water in Pipes—Thickness of Pipes forconveying Water—Standard Pipes for Water Supply—Weight of Cast-ironPipes—Pipes for Pit Pumps—Horse-power of an Engine—Diameter ofCylinder and Length of Stroke—Speed of Piston—Opening of Port by Valve , 301Rules for the Beam Engine. The Beam—Wrought-iron Tubulär Beams—
Air Pump and Condenser—Cold-water Pump and Injection Water—FeedPump—Piston and Connecting Rods—Cranks and Crank Shaft—Fly Wheel
—Governor—Formulse for Safety-valve Levers, ... ... ... ... 310
Water-pressure Engines. Early Hydraulic Cranes—Hastie’s Variable Water-
power Engine, ... ... ... ... ... ... ... ... ... 314
The Accumulator, .315
Pumping Engine for charging the Accumulator, ... ... ... ... ... 316
Water Wheels: Undershot, Overshot, and Breast—The Turbine, ... ... 317
The Hydraulic Crane—General Arrangement of Machinery—Details of Valves, 318Water-pressure Cylinder for opening and closing Dock Gates, ... ... ... 322
Water-pressure Engines for working Dock Gates, Swing Bridges, &c., ... ... 325
Water Power from Natural Falls—Engines at Lead Mines in Northumberlandand at Portland Harbour, ... ... ... ... ... ... ... ... 327
Hydraulic Machinery for Warehousing Grain at the Liverpool Docks—Plan ofWarehouse—Throwing-off Apparatus—Distributing Fan—Hoisting Gear, ... 329
Hydraulic Machine Tools— for Rivetting, Punching, Flanging, Bending or
MARINE ENGINES.
Details of Construction, ... ... ... ... ... ... ... ... 347
Details of Slide-valve Gear—Starting Gear, ... ... ... ... ... 365
The Link Motion, . . 374
Specific Examples of Marine Engines—Steamers with Oscillating Engines—TheSteeple Engine—Side-lever Engine—Penn’s Trunk Engine—Diagonal Direct-acting Engine—Details of the Engine and Hüll of the Comet, ... ... 377
The Paddle Wheel—Constructive Details—Disconnecting the Paddle Wheel—Experiments with Ruthven’s Hydraulic Propeller—Professor Rankine’s Rulefor the Thrust of a Propeller, ... ... ... ... ... ... ... 378
Horizontal Direct-acting and Return Connecting-rod Engines:
Details of Construction—Cylinder—Valves—Link Motion, &c., ... ... ... 385