Lessons and practical notes on steam

Front matter

Qass.

Book.

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Chapter I

Steam, 7. Mechanical Effect, 9. Expansion of Steam, 12. Table of Hyperbolic Logarithms, 14. Back Pressure, 16. Gain by Expanded Steam, 18.

EXPANSION VALVES.

Sickel's, 19. Stevens', 22. Allen & Wells', 23.

SLIDE CUT-OFFS.

Explanation, 24. Gridiron Valve, 26. Wabash Valve, 29,

OTHER KINDS OF VALVES.

Double Poppet, 30. Single Poppet, 81. Hornblower's, 32. Box Valve, 33- Equilibrium Slide, 34. Double Slide Valve, 34. Piston Valve, 35. Long D Slide, 36. Short D Slide, 37. Worthington Pump Valve, 38. Pittsburg Cam, 39.

CHAPTER n.

THE INDICATOR AND INDICATOR DIAGRAMS.

The Indicator, 41. Cylinder Diagrams, 44. Air-pump Diagrams, 66. Power Required to Work the Air-pump, 60.

CHAPTER HI.

THE HYDROMETER.

The Hydrometer, 62. Loss by Blowing-off, 64. Gain by the Use of Heaters, 4)8. Injection Water, 71. Evaporation, 72. Steam and Vacuum Gauges, 75.

4 CONTENTS.

CHAPTER IY.

CAITSALTIES, ETC.

Broken Eccentric, 79. Leaking "Vessel, 79. Irregular Feed, 80. Foaming, 81. Hot Condenser, 83. Getting Under Way, 85. Coming into Port, 86. Scaling Boilers, 88. On Coming to Anchor, etc., 89. Management of Fires, 90. Patching Boilers, 93, Sweeping Flues, 95. Ash Pits, 95. Smoke-pipe Stays, 96. Grate Bars, &c, 96. Broken Air-pump, 97. Broken Cylinder-head, 98. Selection of Coal, 98. Safety Valve, 99.

CHAPTER V. ,

MISCELLANEOUS.

Theory of the Paddle Wheel, 101. Centre of Pressure, 114. Screw Propeller, 116. Altering the Pitch, 132. Parallel Motion, 133. Strength of Materials, 136. Surface - Condensers, 141. Cylindrical Boilers, 145. Boiler Explosions, 148. Horse Power, 150. Vibration of Beams, 152. Marine Economy, 154. Limit to Expansion, 155. The Proper Lift for a Valve, 155. Temperature of Condenser, 156.

CHAPTER VI.

WESTERN RIVER BOAT ENGINE.

Western River High-Pressure Engine, 159. Side Elevation, 159. End View, 160. Explanations of Diagrams, 160. Hartuper's Lifter, 165. Stern Wheel Boats, 167. Dimensions and Proportions of the Magnolia, 169.

CHAPTER VH.

BOILERS, ETC.

Water-Tube Boiler, 172. Horizontal Fire Tube, 173. Extracts from Report of Experiments made to Determine the Relative Efficiency of the Two Boilers, 174. Western River Boilers, 179. Boiler Flues, 184. Riveting, 186. Superheated Steam, 189. Draft, 191.