24
SCIENCE
developing new processes or introducing new products;
- (3) The Works Laboratory proper, controlling 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 Industrial 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 instruments 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,
