RCA
UV-204A Data Sheet (1927)UV204A, UV-204-A
811 (1939) Data Sheet
812 (1939) Data Sheet
813 (1955) Data Sheet
852 Data Sheet
6146A Data Sheet (1969)6146-A
6146B/8298A Data Sheet (1964)6146B, 6146-B, 8298A, 8298-A
6146W Data Sheet (1965)6146-W
8D21 Data Sheet