
Home made 30-line televisor, 1934
1934
1934
1943
1969
circa 1945
1949-1959
1830
1910-130
1933
1835-1850
1902
Early 1960s
1910-1930
1880-1920
April 1952
1860-1888
1984
1845
1830-1900
1880-1920
1880-1920
1902
1906-1907
1962
1900-1940
1958
1970
1960-1965
1920-1950
circa 1935
circa 1961
1957-12-30
1918-1928
1961
1980-1990
1960-1980
1970
1950-1960
1927