Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
A … | | | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
A2/DC/S | Concentrated Arc Lamp | | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
A2196 | Triode | | | 
| CV3920 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
A2244 | Triode | | | 
| CV3921 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
A2272 | Rectifier EHT | 1955 | | 
| CV2318 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
A2637 | Shunt Stabiliser Triode | | IO | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
A2792 | Shunt Stabiliser | | B9A | 
| CV6097 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
A27D | Double Diode Pentode | 1937 | B7 | 
| CV519 Pen4DD |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
A2900 | Double Triode | 1963 | B9A | 
| CV6091 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
A373 | Diode | | | 
| CV1184 NR62 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
A40. | Thermal Delay Switch | | B4 | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
A441 | Bi-Grid | | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
A50B | Pentode | | | 
| SP4B |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
A915 | Pentode | | | 
| CV1462 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AB500 | Triode | | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AC/DD | Double Diode | 1932 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AC/DD4A | Double Diode | | B5 | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AC/HLDDD | Triple Diode Triode | 1934 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AC/S2 | Pentode | 1931 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AC/TH1A | Triode Heptode | 1938 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AC/TP | Triode Pentode | 1934 | B9 | 
| TP4 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AC/VS | Vari-μ tetrode | | B5 | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AC064 | Output Triode | 1930 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AC104 | Output Triode | 1930 | B4 | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AC2/P | Triode | | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AC2/PenDD | Double Diode Pentode | 1934 | B7 | 
| DDPP4B DN41 PT4D |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACD | Double Diode | 1936 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACG | GP/Output Triode | 1933 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACHF | RF Triode | 1932 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACHP | RF Pentode | 1934 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACL | AF/Output Triode | 1933 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACP | Output Triode | 1932 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACPN | Output Pentode | 1933 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACPP | Output Triode | 1936 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACS2/Pen | Pentode | | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACS4 | Tetrode (Power) | | | 
| CR1100 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACS5 | Tetrode (Power) | | | 
| 4CX5000A |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACSG | RF Tetrode | 1932 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACT14 | Triode (Power) | 1954 | | 
| BR140 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACT16 | Triode (Power) | 1959 | | 
| BR153 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACT17 | Triode (Power) | | | 
| CV225 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACT22 | Triode (Power) | | | 
| CV257 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACT20 | Triode (Power) | | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACT24 | Triode (Power) | | | 
| CV240 E1239 E1496 E1860 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACT25 | Triode (Power) | | | 
| CV436 E1996 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACT27 | Triode (Power) | 1954 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACT28 | Triode (Power) | 1958 | | 
| CV2163 VX3071 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACT30 | Triode (Power) | | | 
| 5762 CV2383 TY6-5000A |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACT36 | Triode (Power) | | | 
| AT37 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACT6 | Triode (Power) | | | 
| AT75 CV1222 CV2825 E472+D3157 NT39 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACT70 | Triode (Power) | | | 
| BR1160 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACT9 | Triode (Power) | 1959 | | 
| CV28 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACVHP | VM RF Pentode | 1934 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACVS | VM RF Tetrode | 1933 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AD/P4 | Triode | | | 
| C1198 NR94 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AD1 | Thermal Delay Switch | | | 
| CV1314 DLS10 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ADG | Output Triode | 1934 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ADHF | Triode | 1934 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ADHP | RF Pentode | 1934 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ADL | Output Triode | 1934 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ADPN | Output Pentode | 1933 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ADVHP | VM RF Pentode | 1934 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AF2 | VM Pentode | 1947 | | 
| TF2 VAF2 WE25 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AF22-10 | Radar CRT | 1959 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AF31-10 | Radar CRT | 1959 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AF7 | HF Pentode | 1959 | Ct8 | 
| TF7 VAF7 WE34 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AFN202 | | | | 
| CV3 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AFX203 | Thyratron (Xenon) | 1954 | UX4 | 
| CV2868 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AFX212 | Thyratron (Xenon) | | | 
| 6D4 CV1949 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AFX234 | Thyratron (Xenon) | | | 
| CV5023 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AG5209 | Voltage Reference Tube | 1958 | | 
| 0G3 QS1209/5651 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AH217 | Rectifier MV | | | 
| 4064B 872 872A CV642 ESU872 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AH221 | Rectifier MV | 1959 | | 
| CV5 CV1435 ESU200 GU21 RG4-1250 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AL1 | Pentode | 1959 | | 
| CV159 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AL13-36 | Radar CRT | 1957 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Al22-10 | Radar CRT | 1959 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AL31-10 | Radar CRT | 1959 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AL4 | Output Pentode | 1936 | | 
| 4E1 4L4 A4FF4 NLP61 OSW3103 RAL4 TAL4 TL44 UAL4 WE38 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AMG2/25 | General Purpose Triode | 1926 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AMG6/9 | General Purpose Triode | 1926 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AML2/30 | Output Triode | 1926 | B4 | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AML6/25 | Output Triode | 1926 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AMR2/9 | RF/ RCC Triode | 1926 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AMR6/9 | RF/Detector Triode | 1926 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AMS6/100 | Output Triode | 1926 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AP1188 | Neon Wattmeter | | | 
| CV264 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AP235 | Bi-Grid | 1927 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AP406 | Bi-Grid | 1927 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AP4100 | Rectifier FW | | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AP412HF | Bi-Grid | 1927 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AP412P | Bi-Grid (Output) | 1927 | B4 | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AP412RC | Bi-Grid | 1927 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AP412SG | Bi-Grid | 1927 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AP412U | Bi-Grid | 1927 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AP425P | Bi-Grid | 1927 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
APNDH | Output Pentode | 1936 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AR10T | Ignitron | | | 
| BK24/5552A |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AR14T | Ignitron | | | 
| BK42/5551A |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AR3 | Triode | | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AR31 | Ignitron | | | 
| BK66/5550 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ASG5017 | Thyratron (Mercury Vapour) | 1953 | | 
| BT19 CV1144 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AV33 | Control Diode | | IO | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AV44 | Control Diode | 1960 | IO | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AVC2 | Diode Pentode | 1933 | B4 | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AW13-36 | TV Viewfinder CRT | 1958 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AW17-20 | TV Monitor CRT | 1961 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AW22-10 | TV Monitor CRT | 1957 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AW36-20 | TV CRT | 1957 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AW36-20Z | TV CRT | 1957 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AW36-21 | TV CRT | 1957 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AW36-48 | TV Monitor CRT | 1961 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AW43-48 | TV Monitor CRT | 1961 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AX105 | Thyratron | | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AX228 | Rectifier (Xenon) | 1960 | | 
| CV5 CV2399 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AX255 | Thyratron | | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AX260 | Thyratron | | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AX4-125A/4D21 | Tetrode (Power) | | | 
| C1108 CV2130 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AX4-250A/5D22 | Tetrode (Power) | | | 
| C1112 CV2131 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AX9903 | Tetrode (Power) | | | 
| C178A/5894 CV2797 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AX9904 | Triode (Power) | | | 
| BW1165 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AX9904R | Triode (Power) | | | 
| BR1165 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AX9907 | | | | 
| CW1100 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AX9907R | | | | 
| CR1100 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AX9910 | Tetrode (Power) | | | 
| C1134 CV2799 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AX9911 | Thyratron (Hydrogen) | 1953 | | 
| CV1787 CV5247 FX2505 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AX9912 | Thyratron (Hydrogen) | | | 
| 8503 CV6022 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AZ32 | Rectifier FW | 1939 | | 
| 1868 1RV/120/350 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Augetron | Electron Multiplier | | | 
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