| Year | 1920 |
| Date | 29-Jul |
| Volume | 43 |
| Issue | 1,005 |
| Page | 85 |
| Category | Railway |
| Part | |
| Title | Railway Signalling Systems |
| Author | F.Raynar Wilson |
| Notes | Victorian Government Railways. Chapter 6. - Electric Pneumatic Automatic Signalling. Brown's patent relays for lines electrically operated, connections & wiring in resistance & relay cases, electro-pneumatic train stop, electro-pneumatic signal motor, electro-pneumatic polarised relay for use on electric railways, wiring of platform repeater |