| Part Number | Description |
|---|---|
| ESU103 | Half Wave Xenon Rectifier |
| ESU104 | Half Wave Xenon Rectifier |
| ESU300 | Mercury Vapour Rectifier |
| ESU101 | Half Wave Mercury Vapour Rectifier |
| 6FL2 | Triode Beam Tetrode |
| ESU8008 | Half Wave Mercury Vapour Rectifier |
| ESU673 | Half Wave Mercury Vapour Rectifier |
| ESU150 | Mercury Vapour Rectifier |
| ESU115 | Half Wave Mercury Vapour Rectifier |
| ESU105 | Half Wave Xenon Rectifier |
| ES1500 | Medium Wave Oscillator |
| ECF812 | Triode Beam Tetrode |
| ESW501 | Short Wave Oscillator |
| ESU872 | Half Wave Mercury Vapour Rectifier |
| ESU866 | Half Wave Mercury Vapour Rectifier |
| ESU77 | Half Wave High Vacuum Rectifier |
| ESU76 | Half Wave Mercury Vapour Rectifier |
| ESU75 | Mercury Vapour Rectifier |
| ESU74 | High Vacuum Half Wave Rectifier |
| ESU575 | Half Wave Mercury Vapour Rectifier |
| ESU200 | Half Wave Mercury Vapour Rectifier |
| ESU15 | Half Wave Mercury Vapour Rectifier |
| ESU106 | Half Wave Mercury Vapour Rectifier |
| ES75 | Power Amplifier |
| ES250M | Power Amplifying Valve |
| ES1500C | Medium Wave Oscillator |
| ES1500A | Soft Wave Oscillator |
| EHT15 | Mercury Vapour Rectifier |
| ES75H | Power Amplifier |
