Becher's alchemical furnace assembled, 1689.

Young boy looking miserable as behind him a crowd of children watch a Punch and Judy show, c 1900s.

Works photographic negative showing steel foundry employee filling furnace, 1945.

Fireraising on a clas 5 4-6-0 engine, 1936.

Model of a Welsh Reverberatory smelting fur

Ebbw Vale, Wales, 1893-1895.

Stamping machine, 1906.

Alchemical distillation furnace, 1689.

Glas-making: the furnaces, 1765.

Distillation furnaces, 1512.

War ophans at a Punch and Judy sow, 18 December 1944.

Perforator and stand for Wheatstone automatic telegraph system, c 1900.