Worker in a sweet factory, 1933.

Ernest Bevin canvasing female factory workers, Gateshead, 15 October 1931.

Woman working in a munitions factory, Second World War, August 1942.

Ernest Boucquaeu's forges, foundries and rolling mills, Belgium, 1830-1860.

A production line at Lanchester Cars, Coventry, 22 September 1931.

Manufacturing radio and television valves, c 1930s.

Factory worker laying out flags, 1945.

"London, Midland & Scottish Railway clothing department, 3 April 1925."

"A chocolate factory at work, Liebig trade card, early 20th century."

Water overflow, zinc works, Tilff, Belgium, 1855.

Women working at Gretna munitions factory, Scotland, 1918.

Women working at Gretna munitions factory, Scotland, 1918.