| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| V10 |  |   |   | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| V1120 |   |   |   | 
 | CV72 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| V1923/D | Trigatron |   |  | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| V1924 |   |   |   | 
 | CV100 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| V2023 | Trigatron |   |   | 
 | CV85 | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| V2024 |   |   |   | 
 | CV125 | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| V230C/1D | Heil Tube |   |   | 
 | CV230 DV55 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| V231C/1D | Heil Tube |   |   | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| V266 | Pentode |   |   | 
 | ATP7 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| V339 | Triode | 1948 |   | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| V455 |   |   |  | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| V625 |   |   |   | 
 | CV93 | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| V885 | Pentode |   |   | 
 | CV132 | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| V9 | Triode |   |  | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| V944A | Photocell |   | IO | 
 | CV3797 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VA117A | Photocell |   |   | 
 | R71BV | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VA117ATA | Photocell |   |   | 
 | R71TBV | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VA16 | Photocell |   |  | 
 | CV528 | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VA16SO | Photocell |   |   | 
 | 929 GL929 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VA203B | Klystron | 1960 |   | 
 | KS9-30 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VA26T | Photocell |   |  | 
 | CAV35 | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VA35 | Photocell |   |   | 
 | CV285 | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VA39 | Photocell | 1951 |   | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VA40 | Photocell |   |  | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VA50 | Photocell |   |   | 
 | 90AV CMV29 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VDS | Vari μ Pentode | 1932 | B5 | 
 | E353 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VHFP/13 | Vari-μ Pentode | 1936 |   | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VHP2 | VM RF Pentode | 1934 |   | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VHFP/13L | Vari-μ Pentode |   | Ct8 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VLS405A | Neon Indicator | 1939 |  | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VO2S | Octode | 1938 |   | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VP1320 | Pentode | 1934 |   | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VP20 | Pentode | 1933 |   | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VP215 | Pentode | 1934 |   | 
 | CV3795 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VP24 | Pentode |   |   | 
 | CV3793 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VPTA | Pentode | 1935 |   | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VPU1 |   | 1937 | B7 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VS10G | Beam-X Tube | 1950 | B26A | 
 | Fu107 | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VS116AM | Photocell |   |   | 
 | CE4V R58AV | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VS117A | Photocell |   |   | 
 | CE2V R71AV | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VS117ATA | Photocell |   |   | 
 | CE13V NU13V R71TAV | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VS118 | Photocell |   |   | 
 | CE1V R59AV VS118 WL734 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VS118T | Photocell |   |   | 
 | 919 NU31V R82AV | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VS118TA | Photocell |   |   | 
 | 917 CE11V GL917 NU11V R59TAV VS118TA | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VS16 | Photocell |   |  | 
 | 925 CE30V NU30V R61AV R64AV | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VS16SO | Photocell |   |   | 
 | 925 CE30V NU30V R61AV R64AV | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VS18MO | Photocell |   |   | 
 | PE8 | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VS26 | Photocell |   |  | 
 | CV161 E1342 V526T | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VS39 | Photocell |   |  | 
 |   | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VS44 | Photocell |   |   | 
 | CMV33 | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VS44X | Photocell |   |   | 
 | CE25V CMV33X NU25V R51AV | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VS44Y | Photocell |   |   | 
 | CE36V NU36V | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VS47 | Photocell |   |   | 
 | CMV34 | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VS47X | Photocell |   |   | 
 | CMV34X | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VS49 | Photocell |   |   | 
 | CMV28 | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VS50 | Photocell |   |   | 
 | 90CV CMV29 | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VT1 | Triode | 1917 |   | 
 | CW-933 Type-J | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VT126_TKD | Double Triode | 1926 |  | 
 | HZ420 | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VX2 | Heptode | 1937 |   | 
 |   | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VX2S | Heptode | 1938 |   | 
 |   | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VX132 | Hexode |   |   | 
 | CV132 | 
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| 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VX3019 | Triode |   |   | 
 | CV354 | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VX3034 | Triode | 1947 |   | 
 | CV288 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VX3058 | Triode |   |   | 
 | CV408 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VX3039 | Neon Power Indicator |   |   | 
 | CV359 CV360 | 
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| 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VX3087 | Double Beam Tetrode |   |   | 
 | CV415 | 
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| 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VX3098 | Triode |   |   | 
 | CV397 | 
 | 
| 
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| 
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| 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VX3208 | Triode |   |   | 
 | CV4079 | 
 | 
| 
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| 
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| 
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| 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VX4 | Heptode | 1938 |   | 
 |   | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VX4032 | Magnetron (S-Band) |   |  | 
 |   | 
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| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VX4S | Heptode | 1939 |   | 
 |   | 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VX7044 |   |   |  | 
 |   | 
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| 
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| 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VX7073 |   |   |  | 
 |   | 
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| 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VX7076 | Double Diode |   | B7G | 
 | 6AL5 | 
 | 
| 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VX7083 |   |   |  | 
 |   | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VX7092 | Double Triode |   |  | 
 |   | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VX7124 | Double Triode |   |   | 
 | 6158 CV4068 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VX7126 | Diode |   |   | 
 | CV4504 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VX7129 | Double Diode |   |   | 
 | CV4007 | 
 | 
| 
 | 
| 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VX8031 | Triode |   |   | 
 | CV468 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VX8046 | Pentode |   |   | 
 | CV466 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VX8049 | Electrometer Triode |   |   | 
 | CV2269 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VX8062 | Diode |   |   | 
 | CV469 | 
 | 
| 
 | 
| 
 | 
| 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VX8107 | Trigger Tube |   | B9A | 
 | CV2236 | 
 | 
| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VX8117 | Electrometer Pentode |   |   | 
 | CV2348 | 
 | 
| 
 | 
| 
 | 
| 
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| 
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| 
| Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |  
| VX8248 | Triode |   |   | 
 | CV5311 | 
 | 
| 
 |