Perranwell Viaduct – Circa 1927-1939
The engine on the viaduct looks like a Class 45. This Class with the sloping tanks were the 4575 Class Numbered 4575-4599 then 5500 upwards, holding an extra 300 gallons of water. Built from 1927 Truro Station had a number shedded there including 4588,5500,5526,5537 and 5552.