INDEX 



Turbines, Water in, 227. 

 Types of condensers, 200. 

 of exhaust-steam feedwater 

 heaters, 139. 



U 



Underfeed stoker, 106. 



Uniform corrosion, 130. 



Unit, British thermal, 58. 



United States marine engi- 

 neer's license law, 291. 

 States money, Measures of, 

 44. 



Units of measurement, 42. 



Use of zinc in boilers, 134. 



Vacuum in turbines, Effect of, 



223. 

 in turbines, Maintenance 



of, 230. 



Valve, Area of safety, 115. 

 Inspection of boiler safety, 



169. 



Location of safety, 116. 

 rules, Safety, 113. 

 Valves, Blow-off cocks and, 



119. 



Safety, 113. 

 Vaporization, Latent heat of, 



60. 



Table of temperatures and 

 latent heats of fusion 

 and, 60. 



Temperature of, 60. 

 Velocity of flow, 74. 

 Vessels, Powering of, 238. 

 Propulsion of, 231. 

 Speed of, 238. 



Vibration of steam turbines, 

 227. 



W 



Wall, Bridge, 103. 

 Warming up engines, 203. 

 Warped and cracked brasses, 



218. 



Washington and District of 

 Columbia license law, 

 289. 



Water from oil fuel, Separa- 

 tion of, 154. 



gauge and blow-off, Inspec- 

 tion of, 170. 



hammer, Danger of, 204. 

 in cylinders, 211. 

 in pipes, Flow of, 72. 

 in turbines, 227. 

 Pressure due to head of, 72. 

 Wedge, 37. 

 Weight, Atomic, 55. 

 Measures of, 43. 

 Molecular, 55. 

 of sheet iron, Table of, 48. 

 of sheet lead. Table of, 50. 

 Weights and sizes of materials, 



45. 



of elements, Table of atom- 

 ic, 55. 

 of various substances. 



Table of, 46. 

 Wet steam, Heat in, 96. 

 Wheel and axle, 66. 

 Wheels, Reducing, 178. 

 Wood, 81. 



Wooden pulleys, 67. 

 Work and power, 62. 



Y 



Yonkers, X. Y., license law, 

 289. 



Z 



Zero, Absolute, 57. 

 Zinc in boilers. Use of, 134. 



