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Valve Symbols used in Wireless World
| Brimar | |
|---|---|
| Part 1 | American UX types |
| Part 2 | English Types, International Octal Types |
| Part 3 | Loctal Types, English Replacement Types |
| Cossor | |
| Part 1 | Frequency Changers, Screen-Grid Valves |
| Part 2 | HF Pentodes, Diodes, Diode Triodes and Diode Pentodes |
| Part 3 | Triodes, Output Pentodes and Tetrodes |
| Part 4 | Output Triodes, Quiescent Output Triodes and Pentodes, Rectifiers |
| Mazda | |
| Part 1 | HF Screened Pentodes, Frequency Changers, Tuning Indicators |
| Part 2 | Diodes, Diode Triodes, Double Diode Triodes, Triodes, Output Triodes |
| Part 3 | Output Pentodes, Rectifiers, Special Types |
| Mullard | |
| Part 1 | 1.4V Range, 2V Range, Special Types |
| Part 2 | Indirectly-Heated AC Mains Valves, Directly Heated AC Output Valves, AC Rectifiers |
| Part 3 | DC/AC Valves, DC/AC Rectifiers, "E" Series (Side Contact) |
| Part 4 | "E" Series Rectifiers, Octal Types, UX and UY Types |
| Osram | |
| Part 1 | AF Pentodes and Tetrodes (Directly and Indirectly Heated), Vari-Mu Pentodes and Tetrodes |
| Part 2 | Frequency Changers, Diodes and Diode Triodes, Triodes |
| Part 3 | Output Pentodes and Tetrodes, LF Amplifying Valves (Push Pull), Recifying Valves |
| Part 4 | Tuning Indicators, Barretters, Dial Lamps, Miscellaneous |
| Tungsram | |
| Part 1 | 4V AC Range, 0.2A AC/DC Types |
| Part 2 | 1.4V Battery Range, 2V Battery Range, 6.3V "E" Range |
| Part 3 | International and American Types, Miscellaneous Types, Other Types |
| Base Connections | |
|---|---|
| Part 1 | Introduction, British 4-pin and 5-pin |
| Part 2 | British 7-pin |
| Part 3 | International Octal |
| Part 4 | American UX4, UX5, UX6, UX7 |
| Part 5 | Mazda Octal, British 9-pin, DA4, L4, SC5 |
| Part 6 | SC8, LO8 |
| Part 7 | CO7, FO8 |
