| Year | 1925 |
| Date | 23-Jul |
| Volume | 53 |
| Issue | 1,265 |
| Page | 126 |
| Category | Practical Letters from Our Readers |
| Part | |
| Title | Fittings for Launch Boilers |
| Author | H.M.Peckham |
| Notes | The writer's model on Brockwell Park Lake, sketch of "Schrader" fitting, "Schrader" valve in use on boiler, converted "Schrader" valve in use as blowlamp valve |