The roll contains c 30 waxed linen drawings of diagram of connections for New Zealand Railway, South African Railway, Ceylon Government Railway and Waterloo & City Railway. Drawing numbers RWS-22D-32; RWS-24D-56- RWS-24D-188; RWS-80D.

Trolley bus components. Wiring schematics. Single drawing for shunter. Wiring schematics. 3 coach train. Wiring schematics