Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| | | | ![](../static/pdflogo.gif)
| CV2501 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| | | | ![](../static/nopdf.jpg)
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
4011A | | | | ![](../static/nopdf.jpg)
| CV1415 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
4017B | | | | ![](../static/nopdf.jpg)
| CV1446 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
4019B | Double Triode | | | ![](../static/nopdf.jpg)
| AR11 CV1309 |
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|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
401D | Triode | | | ![](../static/nopdf.jpg)
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
402P | Output Triode | 1934 | B7 | ![](../static/pdflogo.gif)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
402PenA | Pentode | 1938 | | ![](../static/nopdf.jpg)
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
4020 | Triode | | | ![](../static/nopdf.jpg)
| AR12 CV1310 |
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|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
4020B | Triode | | | ![](../static/nopdf.jpg)
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
4020C | Triode | | | ![](../static/nopdf.jpg)
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
4021B | Triode | | | ![](../static/nopdf.jpg)
| AR20 CV1316 |
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|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
4022B | Triode | 1925 | | ![](../static/nopdf.jpg)
| AR13 CV1311 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
4030C | Water Cooled Power Triode | 1938 | | ![](../static/nopdf.jpg)
| 3Q/292E |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
4030D | Water Cooled Power Triode | 1938 | | ![](../static/pdflogo.gif)
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|
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
4039A | Triode Thyratron | 1937 | B5 | ![](../static/pdflogo.gif)
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
403B | UHF Pentode | 1947 | | ![](../static/nopdf.jpg)
| 5591 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
4043 | Triode (selected 5876) | | | ![](../static/pdflogo.gif)
| 5876 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
4043C | Triode | | | ![](../static/nopdf.jpg)
| 3B/350A CV1448 |
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|
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
4049A | Rectifier HW | | | ![](../static/nopdf.jpg)
| CV1471 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
4049D | Rectifier (MV) | | | ![](../static/nopdf.jpg)
| AH221 |
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|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
405/BU | Rectifier FW (EHT) | 1937 | B4 | ![](../static/nopdf.jpg)
| CV2640 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
405OR | Photocell | | | ![](../static/nopdf.jpg)
| |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
4064B | Rectifier HW | | | ![](../static/nopdf.jpg)
| 872 872A AH217 CV642 CV1449 ESU872 |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
406D(While Line) | Detector Triode | 1926 | | ![](../static/nopdf.jpg)
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
406H(Red Line) | RF Triode | 1926 | | ![](../static/nopdf.jpg)
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
406L(Green Line) | AF Triode | 1926 | | ![](../static/nopdf.jpg)
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
406RC(Blue Line) | RCC Triode | 1926 | | ![](../static/nopdf.jpg)
| |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
4069A | Pentode | | | ![](../static/nopdf.jpg)
| ATP100 CV1372 |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
4074B | Double Triode | | | ![](../static/nopdf.jpg)
| CV1573 VT61A |
|
|
|
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|
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
41 | Output Pentode | 1936 | UX6 | ![](../static/pdflogo.gif)
| CV608 |
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|
|
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
4104D | Triode | | | ![](../static/nopdf.jpg)
| 104D SY4104D |
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|
|
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
410RC | Triode | 1927 | | ![](../static/nopdf.jpg)
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
4120 | Triode | | | ![](../static/nopdf.jpg)
| |
|
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
4152 | Thermal Delay Switch | 1954 | | ![](../static/pdflogo.gif)
| |
|
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
417A/5842 | Triode | | | ![](../static/nopdf.jpg)
| 5842 CV3789 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
41E | Output Pentode | 1936 | UX6 | ![](../static/pdflogo.gif)
| CV608 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
41FP | Triode | | | ![](../static/nopdf.jpg)
| CV2502 CV2509 |
|
|
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|
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
41MLT | Triode | | | ![](../static/nopdf.jpg)
| CV1117 VR117 |
|
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
41MPT | Pentode | 1937 | | ![](../static/nopdf.jpg)
| CV2506 |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
41MTB | Triode | 1937 | | ![](../static/nopdf.jpg)
| |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
41MTS | Split Anode Pentode | 1937 | B7 | ![](../static/nopdf.jpg)
| |
|
|
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
42-OT/DD | Double Diode Beam Tetrode | 1937 | B7 | ![](../static/nopdf.jpg)
| CV2512 |
|
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
4212D | Triode | | | ![](../static/pdflogo.gif)
| |
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|
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
426 | Triode | | | ![](../static/nopdf.jpg)
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
4261 | Thyratron (Mercury Vapour) | | | ![](../static/nopdf.jpg)
| 5557 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
4270A | | | | ![](../static/nopdf.jpg)
| CV30 |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
4279A | | | | ![](../static/nopdf.jpg)
| 279A CV669 |
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|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
42E | Output Pentode | 1936 | UX6 | ![](../static/pdflogo.gif)
| 42E CV609 |
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|
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
42PAY | Pentode | | | ![](../static/nopdf.jpg)
| CV2513 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
42PTB | | 1937 | | ![](../static/nopdf.jpg)
| |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
43 | Output Pentode | 1932 | UX6 | ![](../static/pdflogo.gif)
| A2543 CV2514 ER43 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
4300A | Triode | 1938 | UX4 | ![](../static/pdflogo.gif)
| 300A 300B 3B/170A 3B/400A 4275A CV1452 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
4304 | Triode | | | ![](../static/nopdf.jpg)
| CV2759 |
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|
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|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
4357A | | | | ![](../static/nopdf.jpg)
| CV27 |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
43E | Output Pentode | 1937 | UX6 | ![](../static/pdflogo.gif)
| CV2514 |
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|
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|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
446B | Triode | | | ![](../static/nopdf.jpg)
| 2C40 CV687 |
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|
|
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
44A/160M | Double Beam Tetrode | | | ![](../static/nopdf.jpg)
| CV415 TT15 |
|
|
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
45 | Output Triode | 1929 | UX4 | ![](../static/pdflogo.gif)
| 245 345 CV610 UX245 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
451 | | | | ![](../static/nopdf.jpg)
| CV3585 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
451PT | Pentode | 1947 | | ![](../static/nopdf.jpg)
| 45A5 N142 UL41 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
4536 | Image Orthicon | 1962 | | ![](../static/pdflogo.gif)
| 4492 4492V1 4492V2 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
45A5 | Pentode | 1947 | | ![](../static/nopdf.jpg)
| 451PT CV1977 N142 UL41 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
45B5 | Pentode | | | ![](../static/nopdf.jpg)
| 10P18 N119 UL84 |
|
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
45Z5GT | Rectifier HW | | | ![](../static/nopdf.jpg)
| CV2530 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
46 | Dual Grid Amplifier | 1933 | UX5 | ![](../static/pdflogo.gif)
| CV2531 |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
4643 | Triode | | | ![](../static/nopdf.jpg)
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
464A | Triode | | | ![](../static/nopdf.jpg)
| 2C43 CV688 |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
4671 | Triode | | | ![](../static/nopdf.jpg)
| 1650+D2805 5731 955 E1C |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
4674 | Diode | | | ![](../static/nopdf.jpg)
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
4675 | Triode | | | ![](../static/nopdf.jpg)
| A40 AT4 Z1 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
4676 | Pentode | | | ![](../static/nopdf.jpg)
| A41 AP4 Z2+D2676 ZA1 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
4685 | Pentode | | | ![](../static/nopdf.jpg)
| |
|
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
4699 | Pentode | | | ![](../static/nopdf.jpg)
| EL54 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
47 | Output Pentode | 1936 | UX5 | ![](../static/pdflogo.gif)
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
47E | Output Pentode | 1936 | | ![](../static/nopdf.jpg)
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
48 | Pentode | 1936 | | ![](../static/nopdf.jpg)
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
484LFU398 | Rectifier | | | ![](../static/nopdf.jpg)
| |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
485 | Triode | 1940 | | ![](../static/nopdf.jpg)
| |
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