Technical drawing numbers
S3284/1Record of amendments
S3284/2Locking sketch circa 1913
S3284/3Mechanical locking table
S3284/4Detection table
S3284/5Electrical control table
S3284/6Dog chart
S3284/7Lever leads
S3284/12Box diagram

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Frongoch  ——  This box   ——  Cwm Prysor

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 T, U & W). 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 12th October 2010.