| Year | 1948 |
| Date | 19-Aug |
| Volume | 99 |
| Issue | 2,465 |
| Page | 192 |
| Category | Internal Combustion |
| Part | |
| Title | An Experimental Cylinder-Head |
| Author | J.Latta |
| Notes | Details of the air-cooled cylinder-head designed 1932, section showing normal vertical valve, valve and port of racing motor cycle, details of water-cooled cylinder-head designed 1941 |