Air-tight Subdivisions in Ships 411 



means of transmitting power. It is already used as a sub- 

 stitute for gunpowder in the guns for firing shells with high 

 explosives. It seems to me that if it can be used for largely 

 increasing the safety of life and property at sea it is right that 

 the fact should be brought as prominently forward as possible, 

 in the hope that it may receive practical application in the 

 hands of the shipbuilder and the engineer. 



