| Year | 1950 |
| Date | 03-Aug |
| Volume | 103 |
| Issue | 2,567 |
| Page | 175 |
| Category | Locomotive |
| Part | |
| Title | "Pamela". A 3 1/2-in. Gauge Rebuild of a Southern Pacific |
| Author | LBSC |
| Notes | Reverser. Screw and nut, how to assemble and erect, reversing-rod or reach-rod, "pole" lever, "sisters in exile" (Nelson Burtt's Petrolea), whose fault was it |