| Year | 1940 |
| Date | 08-Feb |
| Volume | 82 |
| Issue | 2,022 |
| Page | 133 |
| Category | Correction |
| Part | |
| Title | Model Traction Motors and Control Gear |
| Author | J.Gordon Hall |
| Notes | Motor construction for locomotives and other models. Part sectional general arrangement, armature laminations assembled to shaft, shaft, drive end bush, com. end bush |