Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1915 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
N.1001 | Travelling Wave Tube | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
N.1002 | Travelling Wave Tube | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
N.1004 | Travelling Wave Tube | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
N.1005M | Travelling Wave Tube | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
N.1013 | Travelling Wave Tube | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
N.1017M | Travelling Wave Tube | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
N.1018M | Travelling Wave Tube | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Backward Wave Oscillator | 1955 | | 
| CV6023 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Beam Tetrode | 1952 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Beam Tetrode | 1957 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
N119 | Pentode | | | 
| 10P18 45B5 UL84 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1940 | | 
| 1C5G CV1803 DL35 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
N142 | Pentode | 1950 | | 
| 451PT 45A5 UL41 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
N145 | Pentode | 1947 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1950 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
N15 | Pentode | 1940 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1948 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1951 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1951 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
N154 | Pentode | 1951 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1957 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1946 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1949 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1950 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
N19 | Pentode | 1953 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
N25 | Pentode | 1953 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1934 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1956 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1953 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| | 1935 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Beam Tetrode | 1952 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
N369 | Pentode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
N379 | Pentode | | | 
| 15CW5 30P18 PL84 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
N389 | Pentode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
N40 | Pentode | 1935 | | 
| 7A3 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
N41 | Pentode | 1935 | | 
| |
|
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: |
N47 | Pentode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
N63 | Beam Tetrode | 1937 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
N66 | Beam Tetrode | 1937 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1953 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
N727 | Pentode | 1954 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1953 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1952 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Neon Power Indicator | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Neon Power Indicator | | | 
| CV360 VX3039 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Negatron | 1919 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1935 | | 
| CF7 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
NHP1 | Strobotron | 1950 | | 
| CV310 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Counter/Indicator | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Strobotron | | | 
| 631-P1 CV220 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Strobotron | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Strobotron | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
NT2 | Voltage Stabiliser | 1951 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
NU.1 | Photocell | | | 
| 3554 4GSM 50CG 868 CE1 CMG32 G8 GS146 NU1 PJ23 R59A WL735 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
NU11V | Photocell | | | 
| 917 CE11V GL917 NU11V R59TAV VS118TA |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
NU13 | Photocell | | | 
| CE13 GS117ATA R71TA |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
NU13V | Photocell | | | 
| CE13V R71TAV VS117ATA |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
NU2 | Photocell | | | 
| 4GC 814A CE2 GS117A R71A WL737 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
NU25V | Photocell | | | 
| CE25V CMV33X R51AV VS44X |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
NU30 | Photocell | | | 
| 930 CE30 GL930 GS16SO R61A R64A |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
NU30V | Photocell | | | 
| 925 CE30V R61AV R64AV VS16SO |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
NU31V | Photocell | | | 
| 919 R82AV VS118T |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
NU36 | Photocell | | | 
| CE36 GS44Y |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
NU36V | Photocell | | | 
| CE36V VS44Y |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
NU4 | Photocell | | | 
| GS116A |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Barretter | | | 
| |
|