Speech memory board from System X Automatic Announcement Subsystem, 1979-1985
1979-1985
1979-1985
1981
1979-1985
1981
1979
1984
1983
1982
1985
1984
1987
1980
1980
1984
1981
(1962); 1982
1980
1985
1979
1986
1983
1981
circa 1983
1986
1987
2000-100 BCE
1982
1980-1985
1983
1985
1981-1982
1979
1986
1985
1984; 1983
1985
1986
1978
1980-1986
1979-1981
1985
1985
1984-1986
1980-1981
1982
1985
1990-96
1979
1982
1980