Typewriter from the Wheatstone Collection.

Mothercare IBM mainframe computer room, 1975

Hammond Ideal typewriter, 1884.

Villiers 'Mark 1H' two-stroke motorcycle engine and gear unit, 1956.

Production model Microwriter with transparent case, 1979.

Cox typewriter, c1860-1870 Produced in 186

Daisy wheel from a typewriter, c 1980.

Crandall no 3 typewriter, 1893 Produced in

Manufacturing typewriters, c 1930s.

IBM 514 and Kimball punch machine at Mothercare, 1975.

Remington typewriter 'No 10', USA, c 1902-1935.

IBM microdrive, 2004.