| Year | 1925 |
| Date | 30-Jul |
| Volume | 53 |
| Issue | 1,266 |
| Page | 144 |
| Category | Club |
| Part | |
| Title | Inventing and Experimenting |
| Author | Alfred W.Marshall |
| Notes | Presidential Address, Society of Model and Experimental Engineers. Unknown benefactors, inventing as means of recreation, what is steam engine? Emerging from chimpanzee state, future for electric mechanisms, sympathy with inventive effort, other benefits |