href="@public@vhost@g@gutenberg@html@files@42602@[email protected]#Pg256" class="pginternal" tag="{http://www.w3.org/1999/xhtml}a">256
Method of feeding it 257
Combustion of Gas in Flues 260
Williams's Patent for Method of consuming unburned Gases 260
Construction of Grate and Ash-pit 261
Magnitude of heating Surface of Boiler 262
Steam-space and Water-space in Boiler 263
Position of Flues 264
Method of feeding Boiler 265
Method of indicating the Level of Water in Boiler 266
Level Gauges 266
Self-regulating Feeders 267
Steam Gauge 270
Barometer Gauge 272
Watt's Invention of the Indicator 274
Counter 278
Safety-valve 279
Fusible Plugs 280
Self-regulating Damper 281
Brunton's Self-regulating Furnace 283
Gross and useful Effect of an Engine 285
Power and Duty of Engines 287
Horse-power of Steam Engines 289
Evaporation proportional to Horse-power 290
Sources of Loss of Power 292
Absence of good practical Rules for Power 292
Common Rules followed by Engine-makers 292
Duty distinguished from Power 294
Duty of Boilers 294
Proportion of Stroke to Diameter of Cylinder 295
Duty of Engines 296
Cornish System of Inspection 297
Table showing the Improvement of Cornish Engines 298
Beneficial Effects of Cornish Inspection 299
Successive Improvements on which the increased Duty of Engines depends, traced by John Taylor in his "Records of Mining" 299
CHAP. X.
LIFE OF WATT.
Watt's Friends and Associates at Birmingham 302
His Invention of the Copying Press 302
Heating Apartments and Buildings by Steam 303
Watt's Machine for drying Linen 303
His Share in the Discovery of the Composition of Water 303
The Merit of this Discovery shared between Cavendish, Lavoisier, and Watt 305
Anecdote of Watt's Activity of Mind 309
His Introduction of the Use of Chlorine in Bleaching 310
One of the Founders of the Pneumatic Institution at Clifton 310
His first Marriage 311
Death of his first Wife 311
His second Marriage 311
Death of his younger Son 311
Extracts from his Letters 312
Character of Watt by Lord Brougham 313
Extract from Sir Walter Scott's "Monastery" on the Character of Watt 314
Sketch of the Life of Watt from the "Scotsman" by Lord Jeffrey 315
Occupation of his old Age 318
His Invention of Machine for copying Sculpture 318
His last Days 318
Monuments to his Memory 319
Inscription by Lord Brougham on the Pedestal of the Monument in Westminster Abbey 320
CHAP. XI.
LOCOMOTIVE ENGINES ON RAILWAYS.
High-pressure Engines 322
One of the earliest Forms of the Steam Engine 322
Description of Leupold's Engine 323
Non-condensing Engine of Messrs. Trevethick and Vivian 324
Construction of a Machine for moving Carriages on Railroads 328
Effects of Railway Transport 329
Moral and political Consequences of 334
History of the Locomotive Engine 337
Construction of Locomotive Engine by Blinkensop 337
Messrs. Chapman's Contrivance
