© National Railway Museum / Science & Society Picture Library -- All rights reserved
This scene shows the furnace being tapped in the steel foundry at the Lancashire and Yorkshire Railway's (LYR) Horwich works in August 1919. The railway companies preferred to be self-sufficient and their works encompased the compete range of manufacturing proceses. Even relatively small companies, like the LYR, had their own foundries.
Steel foundry, 1919.