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Table of Indicated Horse-power for each Pound Mean
Effective Pressure, with Different Diameters and
Speeds of Piston.
CHAPTER XIV.
THE TRENTON STEAM ENGINE; AUTOMATIC CUT-OFF.
PAGE
261
Engines of the Phoenix Iron Company, Strength of .
Trenton Engine-Class A-Automatic Cut-Off; General
Description.
270
Steam Chest, Illustrated and Described.
272
Trenton Engine-Class B-Automatic Cut-off; General
Description..
275
Trenton Engine-Class C-Illustrated and Described
Trenton Engine-Class D-Illustrated and Described;
Sizes, Speeds, and Horse-powers, Class A, B, C, D. 279
Table of Actual Average Pressure of Steam in Cylinder;
Boiler Pressure 70 lbs. . .
277
280
Table of Horse-power Actually Developed when Steam
is cut off..
281
CHAPTER XV.
THE GREEN AUTOMATIC CUT-OFF ENGINE.
Steam Valve Gear in Perspective, Illustration.
Action of Steam Valve Gear, Illustrated. .
CHAPTER XVI.
AGRICULTURAL ENGINES.
Portable Steam Engines.
288
Farquhar's "Ajax" Traction Engine, Illustrated and
Described.
Table of Principal Dimensions for Portable Engines,
Mounted and on Sills
289
290
Farquhar Boiler .
292
Farquhar Steam Engine. .
293
General Dimensions of the Ajax Traction Engines;
Farquhar's Automatic Engines, Illustrated and De-
scribed. .
296
Table of General Dimensions of Horizontal Return
Tubular Boilers . . .
298
Locomotive or Fire-box Boilers, Portable, with Charcoal
Iron or Steel Shells, and Steel Fire-boxes, Illus-
trated and Described.
299
Table of Horse-powers of Engines.
300
Hand and Button-set Riveting, Illustrated and De-
scribed.
301
315
317
Selection of an Engine; Horse-power.
Tandem Compound Condensing Engines at the Shrews-
bury Mills, Illustrated and Described.
Result of a Four Days' Trial of the Watts Campbell
Company's Compound Tandem Engines at the
Shrewsbury Mills.
Table of Horse-power and Principal Dimensions.
CHAPTER XVIII.
STEAM YACHTS AND LAUNCHES.
323
325
Design and Construction of a Steam Yacht.
Steam Yacht "Juno," Illustrated and Described.
Yacht Boilers; Submerged Tube Vertical Marine Boilers,
326
327
General Dimensions of Yacht and Launch Vertical Ma-
rine Boilers, Designed and Constructed by Chas. P.
Willard & Co. . .
331
Clyde Boiler, Illustrated and Described; The Engine,
Illustrated and Described. . .
333
The "Acme" Launch Engine, Illustrated and Described 335
The Peerless Marine Engine, Illustrated and Described. 337
Stern-wheel Launch, Illustrated and Described .
Advantages of Paddle Wheels for River Steamers .
Propeller Wheels, Illustrated and Described.
Steam Launches-Sizes.
339
Weight of Round and Square Iron; Weight per Square
Foot of Galvanized Sheet-iron; Weight of Plate Iron
per Square Foot.
APPENDIX.
BOILER FELTING OR COVERING.
Magnesium Carbonate as a Non-conductor of Heat
Magnesia Alba, Description of.
Testing the Strength of and Moulding the Magnesium
Carbonate. .
Investigating the Value of a Non-conducting Material. 348
Coverings Experimented Upon.
Condensation in the Differently Covered Pipes
Classification of Non-conducting Materials..
Disadvantages of Hair Felt Coverings .
358
359
Corrosive Action of Mineral Wool upon Iron Pipes.
Excellence of the Carbonate of Magnesia Coverings.
Comparative Cost and Economy of Pipe Covering. 360
Table of the Results of the Experiments with Steam
Pipe Coverings . .
361
Ainsworth's Plastic Pipe Covering.
362
The Prevention and Removal of Scale in Steam Boilers. 363
Lord's Compound for Prevention and Removal of Scaly
Weight of Gas Carried off by a Chimney; To find the
Maximum Draft of a Chimney.
371
Formula for Calculating the Effective Area of a
Chimney...
372
Table of Sizes of Chimneys, with Appropriate Horse-
power of Boilers. . .
373
Properties and Characteristics of Steam.
374
Ratio of Vacuum to Temperature of Feed Water. . . 376
Duty of Steam Engines; Table of Specific Gravities.
Divisions of Degrees of Heat.
377
378
Average Breaking and Crushing Strains of Iron and
Steel; Pitting of Mud Drums; Proportions of Vari-
ous Compositions in Common Use
Steam Gauges; Blowing off under Pressure
Polishing and Finishing Metals. .
393
394
Working Steel for Tools; To Harden and Temper Cast-
steel
Tempering Points of Tools; Rule for Calculating Speed
of Pulleys
PAGB
396
397
399
To Measure Belting in the Roll; Directions for Brazing
Band Saw Blades
Directions for Putting Rubbers on Band Saw Wheels.. 400
Table of Transmitting Efficiency of Turned Iron Shaft-
Table of Horse-power which may be Transmitted by
Open Single Belts to Pulleys Running 100 Revolu-
tions per Minute, the Diameters of the Driving and
Driven Pulleys being Equal .
401
402
403