| Year | 1925 |
| Date | 23-Jul |
| Volume | 53 |
| Issue | 1,265 |
| Page | 113 |
| Category | Club |
| Part | |
| Title | Inventing and Experimenting |
| Author | Alfred W.Marshall |
| Notes | Presidential Address to the Society of Model and Experimental Engineers. The story of the secret process,, tragedy and comedy, inventing a cat, legal status of an inventor, time and money |