| Year | 1924 |
| Date | 25-Sep |
| Volume | 51 |
| Issue | 1,222 |
| Page | 351 |
| Category | General |
| Part | |
| Title | Some Aspects of Experimental Work |
| Author | Percival Marshall |
| Notes | Abstract of Presidential Address to the St. Bride Radio and Experimental Society. Professional and amateur experimenters, qualifications for success, the value of method, accurate records, the joy of experimenting |