| Year | 1950 |
| Date | 13-Jul |
| Volume | 103 |
| Issue | 2,564 |
| Page | 72 |
| Category | Locomotive |
| Part | |
| Title | "Pamela". A 3 1/2-in. Gauge Rebuild of a Southern Pacific |
| Author | LBSC |
| Notes | Walschaerts gear. Lap-and-lead movement, links and rods, elevation and plan, clearances in lap-and-lead movement, radius rod, eccentric-rod, reversing or weighbar shaft, a gentle reminder, reversing arrangements, expansion link, return crank union link |