
Loaded submarine telegraph cable, 1926
1926
1926
1951
1934
1925
1959
1935
1928
1936
1942
1923
1950-1951
1928
1930-1932
1930-1932
1930-1932
1930
Before 1932
1951
1958-1960
1942-1945
1950-1951
1930-1960
1944
1948-1958
1948-1960
1931
1955
1942-1945
1925-1930
1950-1960
1925-1940
1950-1960
1930-1950
circa 1940
1924-1960
1926-1934
4000-2001 BCE
circa 1947
1930
1937-1938
1959
1936
1937
1950
1936
1937
1938
1938
1924
1931