- collectionZA 0375 - THL Image Collection
- Série organiqueWF - WF Collection
- 679 en plus...
- PièceWF_683 - Interior of CTC centre. Centralized Traffic Control.
- PièceWF_684 - Track monitoring equipment.
- PièceWF_685 - Springfontein, 22 May 1977. Signalling cabin.
- PièceWF_686 - Interior of CTC centre. Centralized Traffic Control.
- PièceWF_687 - Traffic control equipment.
- PièceWF_688 - Cable laying machine at work. Caterpillar D7 crawler tractor.
- PièceWF_689 - Man at trackside emergency phone.
- PièceWF_690 - Cable laying machine at work. Caterpillar D7 crawler tractor.
- PièceWF_691 - Steel rails clamped between railway tracks on curve.
- 3 en plus...