| Year | 2002 |
| Date | 19-Apr |
| Volume | 188 |
| Issue | 4,167 |
| Page | 234 |
| Category | Steam |
| Part | |
| Title | A Three Chamber Chime Whistle |
| Author | D.A.G.Brown |
| Notes | Single tube design. Natural laws, construction, steam distributor, spider, whistle assembly, tuning mounting, other patterns |