| Year | 1969 |
| Date | 05-Sep |
| Volume | 135 |
| Issue | 3,376 |
| Page | 842 |
| Category | Steam |
| Part | 8 |
| Title | Flash Steam (Gemini) |
| Author | Edgar T.Westbury |
| Notes | Pump unit for Gemini twin engine. Plungers, worm shaft bearings, pressure springs, features of feed pump design, plunger output control, boiler feed priming |