| Year | 1979 |
| Date | 03-Aug |
| Volume | 145 |
| Issue | 3,614 |
| Page | 916 |
| Category | Railway |
| Part | |
| Title | The Signalling System at Guildford Model Engineering Society |
| Author | G.F.Asplin |
| Notes | Track layout, track pad, an old type signal, new style colour light signal, electrical ground frame, mimic diagram, switchbox, control box, track sensing diagram |