GEC Witton electrical equipment and wiring diagrams for british and overseas railways

The folder contains c 20 paper and waxed linen drawings of GEC Witton electrical equipment and wiring diagrams including for Western Australia Government Railways, Portugal Railways, South Indian Railway, Central Argentine Railway, South African Railways and Harbours, Ceylon Government Railways, Victorian Railways and British Railways for the Manchester-Sheffield-Wath locomotive electrification. Drawing number range 5B500 - 1100.