Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
A … | | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1925 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1939 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Rectifier FW | 1935 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
A11C | Rectifier FW | 1936 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Rectifier FW | 1936 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Tuning Indicator | | | 
| CV51 Y65 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Tetrode | 1938 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Concentrated Arc Lamp | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
A207 | Rectifier HW | 1960 | | 
| CV2160 CV8051 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Noise Diode | 1959 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Double Diode | 1934 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1937 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
A2196 | Triode | | | 
| CV3920 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
A2244 | Triode | | | 
| CV3921 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
A2272 | Rectifier EHT | 1955 | | 
| CV2318 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
A237 | Rectifier HW | 1960 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
A239 | Rectifier HW | 1957 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1957 | | 
| CR4 CV2453 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1960 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1960 | | 
| 436A |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1959 | | 
| CV4081 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
A27D | Pentode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Double Triode | 1963 | | 
| CV6091 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1940 | | 
| CV4107 CV5413 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
A292 | Rectifier HW | 1965 | | 
| CV5998 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
A3064 | Pentode | 1963 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1956 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1954 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode Hexode | 1936 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
A373 | Diode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Tuning Indicator | 1936 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
A40 | Acorn Triode | 1939 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Thermal Delay Switch | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1924 | | 
| PR37 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1931 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
A4388 | Beam Tetrode | 1946 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1932 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1925 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1935 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
A50B | Pentode | | | 
| SP4B |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1936 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1932 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1936 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
A70B | Pentode | 1936 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1935 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1936 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
A70E | Pentode | 1937 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Octode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
A915 | Pentode | | | 
| CV1462 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1933 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AC/DD | Double Diode | 1932 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AC/DDT | Double Diode Triode | 1934 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Double Diode Triode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1927 | | 
| |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AC/HLDD | Double Diode Triode | 1933 | B7 | 
| 11A2 A234 CV2813 DDT4 DDT DH42 H4D MHD4 TDD4 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AC/HLDDD | Triple Diode Triode | 1934 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AC/HPen | Pentode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AC/ME | Tuning Indicator | 1937 | B7 | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AC/OC4 | Octode | | B7 | 
| |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AC/P1 | Triode | 1928 | | 
| |
|
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AC/R | Triode | 1927 | Misc | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AC/S1VM | Pentode | 1932 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AC/S2 | Tetrode | 1931 | | 
| |
|
|
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AC/SP1 | Pentode | 1936 | B7 | 
| CV2820 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AC/SP3 | Pentode | 1937 | B7 | 
| CV2823 TSP4 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AC/SP3/RH | Pentode | 1958 | | 
| CV1430 |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AC/TH1A | Triode Heptode | 1938 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AC/TP | Triode Pentode | 1934 | B9 | 
| TP4 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AC/VHPB | Pentode | | B7 | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AC/VM | Tetrode | | B5 | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AC/VMSG | Tetrode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AC/VMSG12 | Tetrode | | | 
| |
|
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AC042 | Triode | 1937 | B4 | 
| |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AC064 | Output Triode | 1930 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AC104 | Output Triode | 1930 | | 
| |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AC2/P | Triode | | | 
| |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AC2/PenDD | Double Diode Pentode | 1934 | B7 | 
| DDPP4B DN41 PT4D |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AC4/Pen | Pentode | 1937 | | 
| ARP8 CV1326 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AC5/Pen | Pentode | 1938 | B7 | 
| CV2809 PT10 |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AC6/Pen | Pentode | 1939 | | 
| CV1189 NR74 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACD | Double Diode | 1936 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACG | GP/Output Triode | 1933 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACHF | RF Triode | 1932 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACHP | RF Pentode | 1934 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACL | AF/Output Triode | 1933 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACL4 | Triode | 1933 | B4 | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACM3 | Triode | 1954 | | 
| BR1167 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACP | Output Triode | 1932 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACPN | Output Pentode | 1933 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACPP | Output Triode | 1936 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACS2/Pen | Pentode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACS4 | Tetrode (Power) | | | 
| CR1100 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACS5 | Tetrode (Power) | | | 
| 4CX5000A |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACSG | RF Tetrode | 1932 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACT14 | Triode (Power) | 1954 | | 
| BR140 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACT16 | Triode (Power) | 1959 | | 
| BR153 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACT17 | Triode (Power) | | | 
| CV225 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACT22 | Triode (Power) | | | 
| CV257 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACT20 | Triode (Power) | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACT24 | Triode (Power) | | | 
| CV240 E1239 E1496 E1860 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACT25 | Triode (Power) | | | 
| CV436 E1996 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACT27 | Triode (Power) | 1954 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACT28 | Triode (Power) | 1958 | | 
| CV2163 VX3071 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACT30 | Triode (Power) | | | 
| 5762 CV2383 TY6-5000A |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACT36 | Triode (Power) | | | 
| AT37 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACT6 | Triode (Power) | | | 
| AT75 CV1222 CV2825 E472+D3157 NT39 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACT70 | Triode (Power) | | | 
| BR1160 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACT9 | Triode (Power) | 1959 | | 
| CV28 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACVHP | VM RF Pentode | 1934 | | 
| |
|
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ACVS | VM RF Tetrode | 1933 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AD/P4 | Triode | | | 
| C1198 NR94 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AD1 | Thermal Delay Switch | | | 
| CV1314 DLS10 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ADG | Output Triode | 1934 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ADHF | Triode | 1934 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ADHP | RF Pentode | 1934 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ADL | Output Triode | 1934 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ADPN | Output Pentode | 1933 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ADVHP | VM RF Pentode | 1934 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AF100 | Pentode | 1940 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AF2 | VM Pentode | 1947 | | 
| TF2 VAF2 WE25 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AF22-10 | Radar CRT | 1959 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AF3 | Pentode | | Ct8 | 
| CV2833 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AF31-10 | Radar CRT | 1959 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AFN202 | | | | 
| CV3 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AFX203 | Thyratron (Xenon) | 1954 | UX4 | 
| CV2868 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AFX212 | Thyratron (Xenon) | | | 
| 6D4 CV1949 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AFX234 | Thyratron (Xenon) | | | 
| CV5023 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AG5209 | Voltage Reference Tube | 1958 | | 
| 0G3 QS1209/5651 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AG5210 | Voltage Stabiliser | 1958 | | 
| 0B2 CV1833 CV8162 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AG5211 | Voltage Stabiliser | 1958 | | 
| 0A2 CV1832 CV8161 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AG8 | Octode | 1940 | IO | 
| EK32 OM8 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AG869B | Rectifier MV | 1952 | | 
| 869B |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AH205 | Rectifier MV | 1954 | | 
| CV2673 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AH211A | Rectifier MV | 1959 | | 
| CV532 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AH213 | Rectifier MV | 1957 | | 
| 869B |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AH217 | Rectifier MV | | | 
| 4064B 872 872A CV642 ESU872 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AH221 | Rectifier MV | 1959 | | 
| CV5 CV1435 ESU200 GU21 RG4-1250 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AH238 | Rectifier MV | 1963 | | 
| CV1629 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AH2511 | Rectifier MV | 1969 | | 
| 6693 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AL1 | Pentode | 1959 | | 
| CV159 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AL13-36 | Radar CRT | 1957 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Al22-10 | Radar CRT | 1959 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AL31-10 | Radar CRT | 1959 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AL4 | Output Pentode | 1936 | | 
| 4E1 4L4 A4FF4 NLP61 OSW3103 RAL4 TAL4 TL44 UAL4 WE38 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AL60 | Pentode | | B7 | 
| CV9 POVT203 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AMG2/25 | General Purpose Triode | 1926 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AMG6/9 | General Purpose Triode | 1926 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AML2/30 | Output Triode | 1926 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AML6/25 | Output Triode | 1926 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AMR2/9 | RF/ RCC Triode | 1926 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AMR6/9 | RF/Detector Triode | 1926 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AMS6/100 | Output Triode | 1926 | | 
| |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AP1188 | Neon Wattmeter | | | 
| CV264 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AP235 | Bi-Grid | 1927 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AP4 | Acorn Pentode | 1937 | | 
| CV1175 CV1176 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AP406 | Bi-Grid | 1927 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AP4100 | Rectifier FW | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AP412HF | Bi-Grid | 1927 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AP412LF | Bi-Grid | 1927 | B4 | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AP412P | Bi-Grid (Output) | 1927 | B4 | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AP412RC | Bi-Grid | 1927 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AP412SG | Bi-Grid | 1927 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AP412U | Bi-Grid | 1927 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AP4200 | Rectifier FW | 1933 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AP425P | Bi-Grid | 1927 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
APNDH | Output Pentode | 1936 | | 
| |
|
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
APP4C | Pentode | 1936 | B7 | 
| CV1684 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
APP4G | Pentode | 1939 | B7 | 
| ARP10 CV1329 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
APV4 | Rectifier FW | 1936 | B4 | 
| 1867 1W4-350 CV1039 MU14 R3 R42 UU5 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
APV4200 | Rectifier FW | 1933 | B4 | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
A.R. | Triode | 1922 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AR | Triode | 1922 | B4 | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AR.06 | Triode | 1923 | B4 | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AR10T | Ignitron | | | 
| BK24/5552A |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AR14T | Ignitron | | | 
| BK42/5551A |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AR3 | Triode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AR31 | Ignitron | | | 
| BK66/5550 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AR4100 | Triode | 1930 | B5 | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AR4101 | Triode | 1931 | B5 | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ARDE | Triode | 1923 | B4 | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AS4100 | Tetrode | 1930 | B4 | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AS4120 | Tetrode | 1933 | B5 | 
| MS4B |
|
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
ASG5017 | Thyratron (Mercury Vapour) | 1953 | | 
| BT19 CV1144 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AT4 | Acorn Triode | 1937 | | 
| CV1171 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Audiovisor | Photocell | 1931 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AV11 | Rectifier HW | 1941 | UX4 | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AV33 | Control Diode | | IO | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AV44 | Control Diode | 1960 | IO | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AVC2 | Diode Pentode | 1933 | B4 | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AW13-36 | TV Viewfinder CRT | 1958 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AW17-20 | TV Monitor CRT | 1961 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AW22-10 | TV Monitor CRT | 1957 | | 
| |
|
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 | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AX260 | Thyratron | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AX4-125A/4D21 | Tetrode (Power) | | | 
| C1108 CV2130 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AX4-250A/5D22 | Tetrode (Power) | | | 
| C1112 CV2131 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AX50 | Rectifier FW | 1950 | | 
| |
|
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 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AX9904R | Triode (Power) | | | 
| BR1165 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AX9907 | | | | 
| CW1100 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AX9907R | | | | 
| CR1100 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AX9910 | Tetrode (Power) | | | 
| C1134 CV2799 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AX9911 | Thyratron (Hydrogen) | 1953 | | 
| CV1787 CV5247 FX2505 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AX9912 | Thyratron (Hydrogen) | | | 
| 8503 CV6022 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AZ1 | Rectifier FW | 1936 | Ct8 | 
| CV2860 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AZ2 | Rectifier FW | 1936 | Ct8 | 
| RGN2004 Topf-P8A WE53 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AZ3 | Rectifier FW | 1936 | Ct8 | 
| |
|
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AZ32 | Rectifier FW | 1939 | | 
| 1868 1RV/120/350 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AZ4 | Rectifier FW | 1953 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AZ41 | Rectifier FW | 1947 | B8A | 
| CV3892 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
AZ50 | Rectifier FW | 1939 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Audion | Triode | 1911 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Audion Type T | Triode | 1916 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Augetron | Electron Multiplier | | | 
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