| Technical drawing numbers | |
| S2168/1 | Record of amendments | 
| S2168/2 | Locking sketch | 
| S2168/3 | Mechanical locking table | 
| S2168/4 | Detection table | 
| S2168/5 | Electrical control table | 
| S2168/6 | Dog chart | 
| S2168/7 | Lever leads | 
| S2168/12 | Signal box diagram | 
A type GW27c box opened here in 1913.
| ‹‹UP Click below to move to adjacent box DOWN›› | ||
| Llangyfelach | —— This box —— | Graig Merthyr Colliery Sdg | 
The diagram below is a low-resolution version to indicate the content: a full-resolution 'pdf' file will be published on a CD-ROM entitled 'Great Western Railway Signal Box Diagrams - South Wales'. For availability and ordering information, click on the image below.
This page last updated on 8th October 2010.