An Indian barber at work shaving his comrade, 1914-1918.

Crocodile forceps, Indian.

Heron forceps, Indian.

'Indian' motor cycle, c 1905.

Harry Brearley, British stainles steel pioneer, c 1920s.

Brazed Stellite/steel cutting tool. Light

Steel bomber jacket, 1990s.

Colloidal silica deposit on steel. Light

Big Mill Steel Works, South Wales, 1880-1895.

Stainless steel with colloidal silica depos

Etched carbon steel. Light micrograph in cr

'Combustion of a Steel Wire in Oxygen Gas', 1809.