398 



MR. J. E. PETAVEL ON THE PRESSURE OF EXPLOSIONS. 



TABLE XVI. (Record No. F 73.) 



Cylindrical explosion vessel ; charge uniformly distributed ; gravimetric density 0- 1505 ; diameter of 

 cord 0-475 inch (12'07 millims.); temperature 18 C. 



Maximum pressure 1633 atmospheres (10- 71 tons per square inch); time required to reach 



the maximum pressure 058 second. 



TABLE XVII. (Record No. F 74.) 



Cylindrical explosion vessel ; charge uniformly distributed ; gravimetric density 0' 1505 ; diameter of 

 cord 0-175 inch (4-44 millims.); temperature 17 '6 C. 



Maximum pressure 1749 atmospheres (11-48 tons per square inch); time required to reach 

 the maximum pressure 0'023 second. 



Time in seconds. 



Pressure in atmospheres. j| Time in seconds. Pressure in atmospheres. 



