xviii INTRODUCTION 



the eagerness to extend the application of scien- 

 tific knowledge to Industrial developments after 

 the War there should be a tendency even in the 

 centres of education to cultivate the practical side 

 alone. But it will have a still more important 

 effect. It will I hope help to bring about the 

 very industrial revolution the effect of which it 

 fears. It is too lightly assumed that the English 

 people will have learnt the lesson which the ex- 

 periences of this War time ought to have taught 

 them, namely that they must change their ways 

 in very many departments of national industry. 

 In the past they have contented themselves either 

 with adhering to antiquated methods which ought 

 long ago to have been superseded or with availing 

 themselves of the new knowledge by permitting 

 others to apply it for them. In the textile in- 

 dustries for example they were not only willing 

 that their dyes should be manufactured abroad 

 by methods which they did not attempt to 

 master but also that even the use of these dyes 

 should be taught to their dyers by the producers 

 without any attempt to make them understand the 

 rationale of the methods employed. The conse- 

 quence of this has been a state of industrial de- 

 pendence from which our industries cannot rescue 

 themselves without deliberate and sustained effort 

 on the part of both the employers and the employed. 

 That this will be made one hopes, but it can 

 only be successful if we change radically our 



