| Year | 1907 |
| Date | 01-Aug |
| Volume | 17 |
| Issue | 327 |
| Page | 109 |
| Category | Boiler |
| Part | |
| Title | A Design for a Semi-flash Boiler |
| Author | V.W.Delves-Broughton |
| Notes | Prize of one guinea awarded in competition No. 42. Elevation & section, modification of Clarkson's cylinder lubricating pump, general arrangement, transverse section, junction box |