A smith making a chain at his bench in Number 5 Machine Shop in Chatham Dockyard. He is wearing a pair of protective gloves and is using a ballpein hammer and using a hammer and a home made pair of pliers. The object he is holding cannot be seen because of the speed of movement of his hands. The pipe of an oxy-acetylene blow torch is in the foreground. A vertical format image. Transparencies numbers PCT3365 to PCT3378 were taken during the same operation.