1858 — Coaxial cable used in first (1858) transatlantic cable. 1880 — Coaxial cable patented in England by Oliver Heaviside, patent no. 1,407. 1884 — Siemens & Halske patent coaxial cable in Germany (Patent No. 28,978, 27 March 1884). 1894 — Nikola Tesla (U.S. Patent 514,167) 1929 — First modern coaxial cable patented by Lloyd Espenschied and Herman Affel of AT&T's Bell Telephone Laboratories. 1936 — First closed circuit transmission of TV pictures on coaxial cable, from the 1936 Summer Olympics in Berlin to Leipzig. 1936 — Underwater coaxial cable installed between Apollo Bay, near Melbourne, Australia, and Stanley, Tasmania. The cable can carry one 8.5-kHz broadcast channel and seven telephone channels. 1936 — AT&T installs experimental coaxial telephone and television cable between New York and Philadelphia, with automatic booster stations every . Completed in December, it can transmit 240 telephone calls simultaneously. 1936 — Coaxial cable laid by the General Post Office (now BT) between London and Birmingham, providing 40 telephone channels. 1941 — First commercial use in US by AT&T, between Minneapolis, Minnesota and Stevens Point, Wisconsin. L1 system with capacity of one TV channel or 480 telephone circuits. 1949 — On January 11, eight stations on the US East Coast and seven Midwestern stations are linked via a long-distance coaxial cable. 1956 — First transatlantic telephone coaxial cable laid, TAT-1.
1858 — Coaxial cable used in first (1858) transatlantic cable. 1880 — Coaxial cable patented in England by Oliver Heaviside, patent no. 1,407. 1884 — Siemens & Halske patent coaxial cable in Germany (Patent No. 28,978, 27 March 1884). 1894 — Nikola Tesla (U.S. Patent 514,167) 1929 — First modern coaxial cable patented by Lloyd Espenschied and Herman Affel of AT&T's Bell Telephone Laboratories. 1936 — First closed circuit transmission of TV pictures on coaxial cable, from the 1936 Summer Olympics in Berlin to Leipzig. 1936 — Underwater coaxial cable installed between Apollo Bay, nea,r Melbourne, Australia and Stanley, Tasmania. The cable can carry one 8.5-kHz broadcast channel and seven telephone channels. 1936 — AT&T installs experimental coaxial telephone and television cable between New York and Philadelphia, with automatic booster stations every . Completed in December, it can transmit 240 telephone calls simultaneously. 1936 — Coaxial cable laid by the General Post Office (now BT) between London and Birmingham, providing 40 telephone channels. 1941 — First commercial use in US by AT&T, between Minneapolis, Minnesota and Stevens Point, Wisconsin. L1 system with capacity of one TV channel or 480 telephone circuits. 1949 — On January 11, eight stations on the US East Coast and seven Midwestern stations are linked via a long-distance coaxial cable. 1956 — First transatlantic telephone coaxial cable laid, TAT-1.