| Year | 1934 |
| Date | 10-May |
| Volume | 70 |
| Issue | 1,722 |
| Page | 443 |
| Category | Portable Engine |
| Part | |
| Title | Portable Engine Models |
| Author | Henry Greenly |
| Notes | Intermediate valve spindle guide, making engine wheel bosses, wheel construction, a design for, section through cylinder showing throttle valve, general arrangement of governor gear |