1921] on War Development of Explosives 365 



•demanded, it was necessary to have each part of the somewhat com- 

 plicated train as nearly perfect as possible not only in design, in order 

 to withstand the effects of rough usage and of set-hack in the gun, 

 hut also in workmanship, both mechanical and chemical as to purity 

 of materials. This was achieved by the co-ordination of a large 

 number of industries organised on a scientific basis, and these were 

 becoming every day more and more efficient. War is now so highly 

 ■organised that for its successful prosecution all the technical industry 

 of the country is brought under requisition, and to succeed requires a 

 higher developmeut in research, applied methods, and industrial 

 progress than belongs to the enemy. 



The effort made by this country in the time of stress to overcome 

 •deficiencies in these respects was successful as a great technical 

 .achievement, and should be an encouragement to us to look forward 

 to an equal development of our scientific industries under the stress 

 of a competitive peace. 



r.R. r.] 



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