AND INDUSTRY 45 



Chancellor asked Sir Napier Shaw and myself 

 to help in his work at the Cavendish Labora- 

 tory. Practical Physics as a branch of study 

 for undergraduates generally was almost non- 

 existent. Maxwell had inspired a few of the 

 leading mathematicians with the desire to 

 work at the Laboratory, but the organised 

 classes were small and their organisation was 

 incomplete. Elsewhere, Carey Foster had 

 classes at University College, Balfour Stewart 

 at Manchester; Kohlrausch's book had been 

 published and translated into English some 

 few years previously. Shaw had worked in 

 Berlin under Helmholtz. We commenced the 

 endeavour to systematize the teaching, to 

 devise experiments to illustrate and "prove" 

 fundamental laws and principles, to teach 

 students the reality of many things of which 

 they read in books and shew them that effects 

 do follow their causes in the manner there 



