![](https://coimages.sciencemuseumgroup.org.uk/48/834/large_thumbnail_2000_1047__0002_.jpg)
Telephone in two-tone light blue and grey, 1984
1984
1984
circa 2003
1974-1984
1989
1970-1985
1950-1970
1969
1985
1981-1985
1960-1979
1976-1982
1976
1986-1993
1999-2003
2006-2007
1970-1980
2000-2007
1800-1899
1985
circa 1980
1962
1952
1896
1875-1880
1978
1880-1900
1969
1870-1876
1983
1989
1981
2009
1993
1985-1989
1997
1960-08
1720-1850
1880-1885
1900-1925
1985
1951
1952
1910