| Technical drawing numbers | |
| S2506/1 | Record of amendments |
| S2506/2 | Locking sketch |
| S2506/3 | Mechanical locking table |
| S2506/4 | Detection table |
| S2506/5 | Electrical control table |
| S2506/6 | Dog chart |
| S2506/7 | Lever leads |
| S2506/12 | Box diagram |
A McKenzie & Holland box was built here in about 1876 with a 25 lever frame.
| ‹‹UP Click below to move to adjacent box DOWN›› | ||
| St Briavels | —— This box —— | Wye Valley Jcn |
The diagram below is a low-resolution version to indicate the content: a full-resolution 'pdf' file has been published on CD-ROM (GW Sections G, R & S). The diagram itself has not changed (other documentation may have been added or the diagram renumbered or paired) since publication.
For availability and ordering information, click on the image below.
This page last updated on 4th August 2009.