EXPLOSIVE GAS GENERATED— MACKAY. 377 



1>he coils, and is liberated at ni^'lit with a light in the hand ; and 

 -(3) will preclude the occurrence of accidents from horizontal 

 taps throwing unexpectedly a stream of explosive gas against a 

 lamp held carelessly in the hand of a person " letting the air off" 

 from a radiator. A gfeneral knowledge of the character and 

 properties of such gases is the best safeguard of the public 

 interests from such accidents when the heating of houses by hot 

 water is becominp- so universal. 



