
Home made 30-line televisor, 1934
1934
1934
1949-1959
1933
1835-1850
1943
1830
April 1952
1902
Early 1960s
1910-1930
circa 1945
1910-130
1880-1920
1902
1830-1900
1880-1920
1880-1920
1860-1888
1984
1845
1969
1906-1907
1962
1900-1940
1970
1960-1965
1958
1920-1950
circa 1961
circa 1935
1869
1918-1928
1961
1960-1980
1970
1950-1960
1980-1990
1927