Great Western Railway oil lubricating pot from one of the Severn Tunnel steam pumps that were located at Sudbrook Pumping Station and supplied by Harvey & Co of Hayle Cornwall in 1887. Stamped GWR twice and with maker?s name Dewrance's Sight feed London, both sight feed glasses also etched GWR. A rare survivor from one of the most famous structures of the GWR. Photocopy of item in situ accompanies the lot.