Home made 30-line televisor, 1934
1934
1934
1946-1948
1951-1953
1929-1935
1954
1969-1970
1925-1926
1945-1955
1962
1961
1933
1989
1959
1974
1991
1992
1975-1985
1983
1959
circa 1950
1962
1951
1947-1949
1945-1955
2001
1965-195
1953
1958
1978
circa 1959
circa 1949
1962
1954
2006
1928
1956
1961-1962
1993
1949-1950
1946
1970-1975
1951-1953
1949
1938
1950
circa 1976
1972-1973
1966-1967