| Year | 1969 |
| Date | 21-Nov |
| Volume | 135 |
| Issue | 3,381 |
| Page | 1,110 |
| Category | Steam |
| Part | 13 |
| Title | Flash Steam (Gemini) |
| Author | Edgar T.Westbury |
| Notes | Non-condensing uniflow engines, original by Malcolm S.Don (poppet valve) (see 47 1119 317), a modified Don engine (C.L.Bennett), comments on lubrication (Gemini) |