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Post Office Telecommunications videophone, 1977
1977
1977
2009-2010
1950
1946-1958
circa 1900
1882
1930
2015
1859; 1986
1977-2008
2013
2015
2020
1952
circa 1981
1962-1964
1962-1964
1926
2016
2015
2004-2005
1980-1989
circa 1971
1997-1998
2008
2016
1985-1989
1990
1965
1985-1989
1992-2002
1936
1940-1945
1940-1945
1401-1500 (original); 1960 (model)
1995
1965
1997-1998
1995-1996
2000-100CE
2016
circa 2007
1980
1962-1980