| Year | 1939 |
| Date | 16-Mar |
| Volume | 80 |
| Issue | 1,975 |
| Page | 321 |
| Category | Railway |
| Part | |
| Title | Electric Traction |
| Author | C.Baker |
| Notes | Control equipment. Lambeth North Instruction School L.P.T.B., resistance grid, electro-pneumatic system (Metropolitan Vickers Electrical Co.), camshaft control equipment (for "0" gauge rolling stock), traction equipment for models |