| Technical drawing numbers | |
| S1709/1 | Record of amendments | 
| S1709/2 | Locking sketch | 
| S1709/3 | Mechanical locking table | 
| S1709/4 | Detection table | 
| S1709/5 | Electrical control table | 
| S1709/6 | Dog chart | 
| S1709/7 | Lever leads | 
| S1709/12 | Box diagram | 
Drawing B252 added
| ‹‹UP Click below to move to adjacent box DOWN›› | ||
| Llwynypia Lower | —— This box —— | Naval Colliery Jcn. | 
The diagram below is a low-resolution version to indicate the content: a revised full-resolution 'pdf' file is presented here as information published since CD-ROM (GW South Wales) was published. The full-resolution image may be opened by clicking on the image below.
This page last updated on 8th December 2015.