| Year | 1961 |
| Date | 26-Oct |
| Volume | 125 |
| Issue | 3,146 |
| Page | 496 |
| Category | Locomotive |
| Part | 18 |
| Title | "Sirena", a 5 in. gauge Sentinel geared steam locomotive |
| Author | J.J.Constable |
| Notes | Brake Gear completes the Working Parts. Steam trials. Four studs, operating rod, hardening |