| Year | 1927 |
| Date | 19-May |
| Volume | 56 |
| Issue | 1,358 |
| Page | 465 |
| Category | Locomotive |
| Part | |
| Title | "Helen Long". 2 1/2-in. Gauge 4-8-4 |
| Author | LBSC |
| Notes | Piston for inside cylinder, piston-rod, piston must run true, the chuck and bush method, valve and rod, guide bars, inside cylinder and motion details for 4-8-4 Dominion type heavy duty tank locomotive "Helen Long" (drawn by Jas. A.Joslin), lifting links |