| Year | 1928 |
| Date | 02-Feb |
| Volume | 58 |
| Issue | 1,395 |
| Page | 95 |
| Category | Internal Combustion |
| Part | |
| Title | Building a Hartop "S" Type Petrol Engine |
| Author | Ernest W.Fraser |
| Notes | The finished engine, section of liner showing dummy centres, boring main bearings on Drummond lathe, splash guard, oil tray, dipper pipes, exhaust valve box, steel follower pads brazed in rocker arms, approximate timing diagram, silencing |