1917 Tungar (General Electric) The first rectifier
tube for battery charging. Because of heating above socket a higher current
is realized. The anode is covered with a wire mesh. |
1923 Philips 367 Full Wave Rectifier |
1921 Rectron R220 Half Wave Rectifier. The tube was evacuated through the pip at the top. |
1925 Philips DCG/250 Half Wave Rectifier filled with mercury vapor |
 1926 Philips 1326 Full Wave Rectifier filled with argon. |
 1928 Philips 506 Full Wave Rectifier with special socket with warning lamps |
 1929 General Electric 80 Full Wave Rectifier |
 1932 National Union 82 Full Wave Rectifier |
 1933 Telefunken RGN 2004 Full Wave Rectifier Fine mesh anode for better cooling. |
 1933 Raytheon B-A Full Wave Rectifier. An attempt to build a Full Wave Rectifier without heating the cathode. Translation is suspect. |
 1933 RCA 83 Full Wave Rectifier with mercury vapor. |
 1935 Sylvania 83V Full Wave Rectifier In certain applications the tube produced strong current. |
 1935 General Electric 866 Half Wave Rectifier first transmitter tube to achieve 2 Kilo Watts. With Mercury Vapor |
 1940 KB/EA CV74 This is a sample built for the English Army. There was high demand due to the invention of Radar. These were used in the first Radar Pulser. |
 1942 Brown Boveri Baden DQ2 With the blitz beginning the BBC had reproductions of the 866 made in Baden Switzerland (translation suspect) |
 1943 National Union 371 A VT 166 Made for the US Radar Stations. High Voltage Half Wave Rectifier With Special Socket |
 1950 Raytheon 6X5 Full Wave Rectifier with octal socket. Replacement for the large type 80. |
 1953 Ken-Rad ST4 Full Wave Rectifier made completely of metal. |
 1946 RCA 2X2 As TV's and oscilloscopes grew bigger the need for these High Voltage Rectifier tubes arose. |
 1947 Telefunken EY88 Half Wave Rectifier adjusted for a 9 pin socket |
Next
