| 13DHA | 13-volt, 0.2A, Indirectly Heated Double Diode Triode |
| 13PGA | 13-volt, 0.2A, Indirectly Heated Pentagrid Frequency Changer |
| 13SPA | 13-volt, 0.2A, Indirectly Heated HF Pentode |
| 13VPA | 13-volt, 0.2A, Indirectly Heated Variable Mu HF Pentode |
| 210DET | 2-volt Special Detector |
| 210HF | 2-volt Triode |
| 210HL | 2-volt Triode |
| 210LF | 2-volt Triode |
| 210PG | 2-volt Pentagrid |
| 210RC | 2-volt Triode |
| 210SPT | 2-volt HF Pentode |
| 210VPT | 2-volt Variable Mu HF Pentode |
| 215P | 2-volt Power Triode |
| 215SG | 2-volt Screened Grid |
| 220B | 2-volt Class B (double triode) |
| 220DD | 2-volt DD |
| 220HPT | 2-volt Economy Pentode |
| 220P | 2-volt Power Triode |
| 220PA | 2-volt High Slope Power Triode |
| 220PT | 2-volt Power Pentode |
| 220SG | 2-volt Screened Grid |
| 220VS | 2-volt Variable Mu Screened Grid |
| 220VSG | 2-volt Variable Mu Screened Grid |
| 230XP | 2-volt Super Power Triode |
| 240B | 2-volt Class B (double triode) |
| 3180 | Neon Tuning Indicator |
| 3184 | Neon Tuning Indicator |
| 402P | 40-volt, 0.2A, Indirectly Heated Triode |
| 40PPA | 40-volt, 0.2A, Indirectly Heated Outp[ut Pentode |
| 40SUA | Indirectly Heated Half-Wave Rectifier |
| 41MH | 4-volt, 1A, Indirectly Heated Triode |
| 41MHL | 4-volt, 1A, Indirectly Heated Triode |
| 41MP | 4-volt, 1A, Indirectly Heated Power Output |
| 41MPG | 4-volt, 1A, Indirectly Heated Pentagrid Frequency Changer |
| 41MXP | 4-volt, 1A, Indirectly Heated Super Power Output |
| 42MP/Pen | 4-volt, 1A, Indirectly Heated High Slope Pentode |
| 442BU | Directly Heated Full-Wave Rectifier |
| 460BU | Directly Heated Full-Wave Rectifier |
| 4XP | 4-volt, 1A, Indirectly Heated Mains Power Output |
| 506BU | Directly Heated Full-Wave Rectifier |
| DD/Pen | 4-volt, 1A, Indirectly Heated Double Diode Pentode |
| DD4 | 4-volt, 1A, Indirectly Heated Double Diode |
| DDT | 4-volt, 1A, Indirectly Heated Double Diode Triode |
| DDT16 | 16-volt, 0.25A, Indirectly Heated Double Diode Triode |
| DHL | 16-volt, 0.25A, Indirectly Heated Mains Triode |
| DP | 16-volt, 0.25A, Indirectly Heated Mains Power Output |
| DP/Pen | 16-volt, 0.25A, Indirectly Heated Mains Output Pentode |
| DS/Pen | 16-volt, 0.25A, Indirectly Heated Mains HF Screened Pentode |
| DVS/Pen | 16-volt, 0.25A, Indirectly Heated Variable Mu HF Pentode |
| DVSG | 16-volt, 0.25A, Indirectly Heated Variable Mu Screened Grid |
| MP/Pen | 4-volt, 1A, Indirectly Heated Pentode |
| MS/Pen | 4-volt, 1A, Indirectly Heated HF Pentode |
| MSG/HA | 4-volt, 1A, Indirectly Heated Screened Grid |
| MSG/LA | 4-volt, 1A, Indirectly Heated Screened Grid |
| MVS/Pen | 4-volt, 1A, Indirectly Heated Variable Mu HF Pentode |
| MVSG | 4-volt, 1A, Indirectly Heated Variable Mu Screened Grid |
| PT41 | 4-volt, 1A, Indirectly Heated Pentode |
| PT41B | 4-volt, 1A, Indirectly Heated Pentode |
| S130 | Neon Voltage Stabiliser |