GASEOUS COMBUSTION AT HIGH PKESSUEES. 



317 



explosion as sensible heat to its products, and the magnitude of the chemical affinity 

 between its combining constituents. 



Fig. 16. 



Attention may be drawn to the extreme slowness of the cooling after the 

 attainment of maximum pressure in such explosions, a circumstance which has been 



TIMC IN -fei, SECONDS 



after Firiru 



Fig. 17. 



observed by previous workers in other similar cases of gaseous explosion. This was 

 particularly marked in the case of the methane-air mixtures, in which there was 



Fig 



