| Sample |
Description |
| Fig. 1. "Fulls" cars arriving at Hawthorn pit bottom |
| Fig. 2. A view of the driver’s route selection point at Signal No. HL6 |
| Fig. 3. View of driver’s control point at Signal No. HL9G for selection to the areas shown. The top plunger-control is for release purposes when drivers have selected the wrong route in error |
| Fig. 4. A general view of the relay cabinet, signal and driver’s route selection point associated with Fig. 2 |
| Fig. 5. Isometric drawing showing the roadways linking Murton and Eppleton collieries with the new Hawthorn shaft |
| Fig. 6. View towards Hawthorn shaft bottom from despatcher’s cabin area |
| Fig. 7. Another view of Fig. 6 in opposite direction |
| Fig. 8, Track layout (lower level) showing areas covered by individual schematic circuits |
| Fig. 9. Track layout outbye of marshalling point "Z" |
| Fig. 10. Track layout at marshalling point "Z" |
| Fig. 11. Track layout at 69B East and West offtakes |
| Fig. 12. Track layout for Eppleton Colliery — Lindsay shaft |
| Fig. 13. Track layout at Hawthorn shaft bottom-lower level |
| Fig. 14. View of exit roads from Hawthorn pit bottom (despatcher’s cabin on right) |
| Fig. 15. A view of the despatcher’s cabin (Hawthorn lower level) |
| Fig. 16. Close-up view of mimic diagram shown in Fig. 15 |
| Fig. 17. Track layout at East/West junction — upper level |
| Fig. 18. View of typical relay cabinets showing transformers mounted above |
| Fig. 19. View showing one of the locomotive battery changing and charging stations (Eppleton Colliery) |
| Fig. 10a. Track layout at marshalling point "Z" |
| Fig. 10b. Track layout at marshalling point "Z" |