SIR ANDEEW NOBLE: RESEARCHES ON EXPLOSIVES. 



231 



Experiment 1496. Fired in explosion vessel Q, 155-84 grammes of Mark I cordite. Density of 

 charge 0-5. 



Pressure 52-84 tons per sq. inch (8063 '8 atmospheres). 

 Permanent gases 97, 158- 9 cub. centims. at C. and 760 millims. 

 Aqueous vapour 26,291 cub. centims. at C. and 760 millims. 



RECONCILIATION. 



Experiment 1387. Fired in explosion vessel Q, 16 grammes M.D. Density of charge 0-05. 



Pressure 2 -7 tons per sq. inch (411-6 atmospheres). 



Permanent gases 12,899-8 cub. ceYitims. at C. and 760 millims. 



Aqueous vapour 2861 -2 cub. centims. at C. and 760 millims. 



RECONCILIATION. 



N. 



2-55* 

 97 



* Chiefly due to air in explosion vessel. 



Experiment 1388. Fired in explosion vessel Q, 31-98 grammes M.D. Density of charge 0-10. 

 Pressure 6 -9 tons per sq. inch (1051-8 atmospheres). 

 Permanent gases 25,621-0 cub. centims. at C. and 760 millims. 

 Aqueous vapour 5145-1 cub. centims. at C. and 760 millims. 



RECONCILIATION. 



Including N in air. 



