Drawing, ink wash, Pouring molten slag from the cupola furnace in the iron foundry at Crewe railway works, by Robin Comyns Carr, about 1943. Depicts a foundryman raking slag out of the furnace as he shelters from the heat behind a sheet of corrugated iron. Reverse features studies of a pair of tongs, in graphite, and details of machine tools, in ink. Executed in a monochrome wash.