CHAP. VIII. 



TURBINES. 



759 



many very important advantages over them, among which may he 

 enumerated their cheapness in first cost, and their having fewer parts 



Q 



c 



tub 



c 



tuo 



< 



liable to get out of order ; they may he applied to all heights of falls, 

 and are more economical in repairs ; they occupy very small space, and 



