24 SCIENCE 



developing new processes or intro- 

 ducing new products ; 

 (3) The Works Laboratory proper, con- 

 trolling the quality of raw materials, 

 or of finished products. 

 I have spoken already of the work of the 

 student of science in his University or College ; 

 before dealing with the Laboratory of Indus- 

 trial Research let me devote a few words to 

 the Works Laboratory proper. 



It is necessary, as I have said elsewhere, 

 to maintain the standard of the output, to 

 secure that the proper grade of material is 

 supplied to the works, to check the instru- 

 ments in use, and to test the product in its 

 various stages of manufacture. The days 

 are gone when successful manufacture could 

 be carried on entirely by rule of thumb, 

 trusting to the skill of some trained workman 

 for the success of each delicate operation, 



