![](https://coimages.sciencemuseumgroup.org.uk/41/167/large_thumbnail_1975_0193.jpg)
Underwood model 1 electric typewriter, c. 1950
1950
1950
1897
1960-1980
1975
1933
circa 1950
1905
1860-1870
1899
1893
1937
1903
1898
1922
1900-1932
1907
1936
1957-1960
1890
1950
1889
1953
circa 1900
1930
1892
1918
circa 1860
1895
1899
1920
1947
circa 1894
circa 1888
1910
1920
1985
1925
1897
1960-1961
1884