No 1 smithry is a fine example of a 19th century Naval Smithery, added to and altered over a period of years. Some of it may be the work of Edward Holl, the Navy Board's Second Architect. Brick built, with iron truss roods and containing several examples of industrial machinery associated with heavy metal work. These include three foundary cranes dating from 1905 to 1915, two hammers (originally steam driven, but latterlt with compressed air), a bolt machine and sheers. The foundary and smithery remained in use until August 1974. A large quantity of minor items of equipment still remain, together with much chain and other metal work. The building appears to be in a poor state or repair. Although a large building, it is more domestic in scale than the later machine shops (for example the Quadrangel at Davonport). Together with its contents, it is now a very rare example in a Naval Dockyard. Its site is in the old historic part of the Chatham Dockyard.