
Coil of 7mm fibre optic cable on cable drum, 1977
1977
1977
1973
1967
1966-1970
1960-1977
1966-1983
1959
1970-1980
1978-1980
1978-1981
1965
1970-1981
1958-1960
1968
1975-1978
1966
1960-1961
1979-1981
1981
1967
1971
1963
1966
1959
4000-2001 BCE
1979
1970
1980
1958
circa 1960
1975
1974
1966
1964-1966
1965-1975
1981
1970-1980
1971-1975
1979
1960
1970-1972
1978
1963
1959
1958
1958
1966
circa 1960
circa 1965
1966