| Year | 1920 |
| Date | 01-Jul |
| Volume | 43 |
| Issue | 1,001 |
| Page | 7 |
| Category | Railway |
| Part | |
| Title | Railway Signalling Systems |
| Author | F.Raynar Wilson |
| Notes | Victorian Government Railways. Introduction. Types of wooden posts. Chapter 1. - Signals, signal arm spindle, front & back spectacles, distinguishing distant signal lamp, typical bridge of signals, ground disc signal, dwarf signal |