Railway wagon, British Railways, 20T Weltrol H.C, No B900805, 1950.
The British Railways 20T Weltrol H.C wagon No. B900805 is an example of a trolley wagon designed to transport heavy loads, in this case up to 20 tons. “Weltrol” is an abbreviation of “Well Trolley”, describing the design of the wagon.
As British heavy engineering declined, so did the use of wagons such as this.