| Year | 1920 |
| Date | 02-Sep |
| Volume | 43 |
| Issue | 1,010 |
| Page | 194 |
| Category | Railway |
| Part | |
| Title | Railway Signalling Systems |
| Author | F.Raynar Wilson |
| Notes | Victorian Government Railways. Train Destination Describers. Transmitter of electro-pneumatic train describer, combinator & receivers of electro-pneumatic train description apparatus, destination indicator |