| Year | 1951 |
| Date | 30-Aug |
| Volume | 105 |
| Issue | 2,623 |
| Page | 296 |
| Category | Petrol Engine Topics |
| Part | |
| Title | A 50-c.c. Auxiliary Engine ("Busy Bee") |
| Author | Edgar T.Westbury |
| Notes | Temporary mounting for running in and testing, general arrangement of engine mounting, attaching engine to cycle, construction of mounting bracket |