BW81/4
"Severn Bridge Railway swing bridge over new canal drawing 19D"
Elevations of levers, plan, elevation, section, roller guide for 11/2 inch rodding, pawl-wire guides, and details of wire pulley and crank for pawl-wire. Stamped "Great Western Railway Registered No 31156 Engineer's Office Paddington", "To be returned to Chief Engineer's Plan Office GWR Paddington" and "To be returned to Chief Engineer's Office, Watford HQ".
[1870s]
BW81/4
1 sheet