Burning the excess metal off the rough, unmachined, driving wheel, c 1958.

Steel tuning fork with oval grip and circular stand, c 1869-1874.

'British Industries - Steel', 1924.

Bomb damage in a London street, Second World War, 11 October 1940.

Tuning fork, c 1869-1874.

Signal box at Victoria, late 19th century.

Walt Disney filming penguins at London Zoo, 1935.

Walt Disney filming penguins at London Zoo, 1935.

Carrying bicycles down steps

Crystal Palace at night, c 1930.

Roof of the Crystal Palace, c 1900.

Crystal Palace, c 1902.