A Shell Forge at a National Projectile Factory, Hackney Marshes, London, 1918

The interior view of a shell forge showing the glowing hot shell cases emerging from the furnaces on the left of the composition. Munitions workers man the furnaces on the left; in the foreground is the back of a worker leaning over a glowing hot shell case. Sunlight streams in though the windowless wall on the right of the forge.