| Year | 1954 |
| Date | 17-Jun |
| Volume | 110 |
| Issue | 2,769 |
| Page | 679 |
| Category | Petrol Engine Topics |
| Part | |
| Title | The 50 c.c. "Bumble Bee". A New Development of the "Busy Bee" Auxiliary Engine Intended Primarily for Stationary Work |
| Author | Edgar T.Westbury |
| Notes | Locating cylinder studs, cylinder-head, piston, connecting-rod, gudgeon pin, transfer cover, ball-race retaining plates |