| Year | 1913 |
| Date | 13-Feb |
| Volume | 28 |
| Issue | 616 |
| Page | 154 |
| Category | Internal Combustion |
| Part | |
| Title | Design for a 1/2-b.h.p. Vertical Semi-Enclosed Petrol Motor |
| Author | W.S.Farren |
| Notes | Shaft gear wheel, cam lever, cam wheel, overhead rocker carrier, valve cams, displacement curves |