246 



INDEX. 



PAGE 



quisite to raise water to any proposed 

 height . . App. 214 



Rules, practical, for pumps the velocity 

 necessary to discharge a given quantity 

 of water . - . 216 



the diameter 



of, necessary to discharge a given 

 quantity of water . . ibid 



LOCOMOTIVE ENGINES 226 



the power 229 



.the ef- 



fective force of gravity when an en- 

 gine and train are running upon an 

 inclined plane . 226 

 -the speed 



under any given circumstances of load, 

 inclination of railway, &c. . 229 

 the ten- 



sion on the circumference of the driving 

 wheels, or what is termed the resistance 

 to traction . . 227 



the quantity of water 



required for steam . 225 



the pressure of steam 



in the cylinder . 228 



properties of steam 205 



steam pipe, diameter of 210 



the elastic force of 



steam when in contact with the liquid 

 from which it is generated 205 

 the mean pressure on 



the piston, when worked expansively 222 

 table of multipliers for 



mean pressure, acting expansively 223 



the power 225 



the aperture of a safety 



valve for any given pressure 210 

 the space the steam of 



a cuhic foot of water occupies when of 

 a given elastic force and temperature, 

 and separated from the liquid from 

 which it is generated . 206 

 Rumble, F. (Plates 8488) 

 Rumford's, Count, boilers 42, 106, 107, 128 

 experiments on latent heat . 52 



PAGE 



S. 



Sadler . 32 



Safety valve . . 7, 103, 139, 206 



rule for area of . App. 210 



escape of steam at .103 



pipes . . 140, 141, 142 



rules for . . 142 



Sailing, trial of between H. M. ships Asia, 



Caledonia, Medea, and Vanguard App. 100 

 Sails, power of . .310 



Savery, Thomas . . 5, 7, 16 



's Miner's Friend . . 5 



engine simplified . . 7 



first effective steam engine by . ibid 



engine . 5, 6, 17, 24, 36, 37 



Schmidt's experiments on heat . 51, 70 



Screw propeller applied to steam vessels App. 231 

 Seaward's slides . . . 209 



Sea water, elastic force of steam of . 60 



analysis of . 61, 271, 272 



boiling point of . . 272 



Shafts, strength of . . 245 



Ships, resistance of . 296, 313 



Side rods, strength of . . 242 



Simpson, J., Chelsea water-works 404, 405 



Single acting engine . . 191 



expansive . 1 94 



Sleek, effect of . . . 36, 113 



Slide . . 38, 174, 175, 199. 207 



construction of . .207 



unproved . . . 208 



friction of . .209 



cylindrical . . . ibid 



modes of opening by . . 225 



Murray's . . .207 



Bramah's . . . ibid 



Murdoch's . . .208 



Seaward's . . .209 



Smeaton, John 18, 21, 22. 23, 24, 118, 119, 215 



's piston . . .219 



Smoke, ascent of . . 100, 145 



quantity of . . 115 



Snifting valve . 1 1 



Southern, John . . 44, 56, 57 



