| Year | 1927 |
| Date | 01-Dec |
| Volume | 57 |
| Issue | 1,386 |
| Page | 514 |
| Category | Internal Combustion |
| Part | 4 |
| Title | Some Notes on the Design of Small Petrol Engines |
| Author | J.Harrison |
| Notes | Valves and valve gear, the poppet valve, the timing diagram, valve spring cotter fixings, S.M.M.T provisional standard for small engines, valve clearance |