| Year | 1942 |
| Date | 10-Dec |
| Volume | 87 |
| Issue | 2,170 |
| Page | 554 |
| Category | Locomotive |
| Part | |
| Title | "Iris" - The Antidote. In Gauges 3 1/2 in. and 1 3/4 in. |
| Author | LBSC |
| Notes | Valve-gear like "Maisie's", second thoughts were best, no motion plate needed, construction - suspension levers and bushes, valve-rods, expansion-links, eccentric-rods and straps, assembly and erection |