Technical drawing numbers
S33/1Record of amendments
S33/2Locking sketch
S33/3Mechanical locking table
S33/4Detection table
S33/5Electrical control table
S33/6Dog chart
S33/7Lever leads
S33/12Signal box diagram

‹‹UP  Click below to move to adjacent box  DOWN››
Iver  ——  This box   ——  Dolphin

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 - Section A'. For availability and ordering information, click on the image below.

This page last updated on 5th February 2010.