510 ON THE EXPLOSION OF THE BOILER 
A:tzd:p, & = Bh & 
gil dp _ 
x game se 
By integration ahs log. p =v +e. 
But, when the pressure of the steam, in the 
boiler, becomes equal to that of the atmosphere, 
the steam will cease to issue from the boiler ; and, 
therefore, when p=1, v=o; and consequently 
Therefore, av} = a. \f = (10g-2\*2=the oun- 
ces of steam, which would be discharged, at the 
time, ¢, in one second, with the velocity v; and 
consequently, «4/ aie (102-4) * yat= the oun- 
ces of steam discharged in the time dé. 
But n(D—))=the ounces of steam discharged, in 
the time, ¢; hence, therefore, 
