![](https://coimages.sciencemuseumgroup.org.uk/50/731/large_thumbnail_e2003_114_89__0001_.jpg)
Replica of the first transistor, 1947-2003
1947-2003
1947-2003
1951
1979
1997
1966-1970
1963-1984
1958
1994
1983
1980-1985
1946-1958
1920-1930
2011
1946-1948
1943-1945
1977
1966-1970
1977-1982
2011-2012
1987
1951-1960
1947
1984
1980-1990
1986
1950-1965
1970-1979
1970-1979
1970-1979
1985-1994
1950-1965
1999
2012
2012
1970-1979
1940-1945