| Year | 1976 |
| Date | 19-Mar |
| Volume | 142 |
| Issue | 3,533 |
| Page | 286 |
| Category | Locomotive |
| Part | 4 |
| Title | "Ella". A Heywood Locomotive for 3 1/2 in. gauge |
| Author | B.G.Markham |
| Notes | Axles, wheels, Heywood valve gear, axlebox, coupling rods, frame stretcher, crank, crankpins |