Llanharan Colliery

Technical drawing numbers
S1515/1Record of amendments
S1515/2Locking sketch
S1515/3Mechanical locking table
S1515/4Detection table
S1515/5Electrical control table
S1515/6Dog chart
S1515/7Lever leads
S1515/12Signal box diagram

‹‹UP  Click below to move to adjacent box  DOWN››
Llanharan West  ——  This box   ——  Bryn-Y-Gwynon Crossing

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.