| Year | 1972 |
| Date | 15-Sep |
| Volume | 138 |
| Issue | 3,449 |
| Page | 923 |
| Category | Plans Service |
| Part | |
| Title | Some petrol engine drawings by Edgar T.Westbury |
| Author | |
| Notes | P.E.7. "Atom 5", 30 c.c. air-cooled two stroke. P.E.16. "Kiwi Mark 2", 15 c.c. air-or water-cooled o.h.v. 4-stroke. P.E.29. "Sealion" 30 c.c. 4-cylinder o.h.v. water-cooled |