250 



Vapour, elastic force of, separated from the 

 liquids from which it is generated 

 - bulk of 



nature of . 



Velocity of elastic fluids 

 engines 



vessels . 



paddles . 



spiral propellers 



Vessels, strength of 



arranging the proportion of power 



for 



Vinegar 



W. 



Water . 

 wheel 



air in 



raising 



screw 



works 



modulus of . 



expansion of 



Watt, Dr. James . 



25, 49, 98, 99, 125, 132, 

 207, 208, 230 



experiments of 



Watt's boilers 

 engine 



expansive engine 



THE END. 



