Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Vacuum Relay | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
H08 | Triode | 1928 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Midget Triode | 1938 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1926 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
H125A | RF/Detector Triode | 1926 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
H141D | Diode Triode | 1939 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
H2 | RF/Detector Triode | 1932 | | 
| CV2977 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1929 | | 
| B228 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
H2D | Triode | 1934 | | 
| CV2977 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1934 | | 
| CV2979 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| RF/RCC Triode | 1925 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1926 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
H41 | Triode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
H410 | Triode | 1929 | | 
| CV2981 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1936 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
H4D | Double Diode Triode | 1933 | | 
| 11A2 AC/HL/DD DDT4 DDT DH42 MHD4 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
H4E | Diode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
H512 | RF/RCC Triode | 1925 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
H610 | Triode | 1929 | | 
| CV2982 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1937 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Barretter | 1939 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1936 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1936 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HAA91 | Double Diode | 1957 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triple Diode Triode | 1953 | | 
| 19AK8 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HAD | Double Diode Triode | 1935 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Double Diode Triode | 1950 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HBC91 | Double Diode Triode | 1953 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Diode Triode | 1940 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Double Diode Triode | 1934 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Double Diode Triode | 1934 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Double Diode Triode | 1938 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Double Diode Triode | 1939 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HD4 | Diode Triode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
H.F | Bi-Grid | 1927 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
H.F&DET | Bi-Grid | 1927 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1924 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1947 | | 
| CV2987 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HF13 | Triode | 1936 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HF130 | Pentode | 1948 | | 
| 838 CV638 RK58 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HF2(Red Line) | RF Triode | 1927 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HF210 | RF Triode | 1928 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HF407 | RF Triode | 1928 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HF4(Red Line) | RF Triode | 1927 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HF607 | RF Triode | 1928 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HF6(Red Line) | RF Triode | 1927 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HF94 | Pentode | 1954 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1920 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HK24 | Triode | 1945 | | 
| 24-G 24G 25T 3C34 CV745 CV941 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HK24G | Triode | 1945 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HK257B | Pentode | 1946 | | 
| 4E27 CV824 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1938 | | 
| 4C25 CV707 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HK645 | Triode | | | 
| CV670 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Heptode | 1950 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Double Diode Triode | 1934 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HL08 | Triode | 1928 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1934 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1934 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HL133 | Triode | 1938 | | 
| CV2998 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Double Diode Triode | 1938 | | 
| CV2999 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1935 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| AF/Detector Triode | 1931 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HL20 | Detector Triode | 1932 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HL21/DD | Double Diode Triode | 1934 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1929 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HL212 | Triode | 1926 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HL213 | Triode | 1925 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1938 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1938 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Double Diode Triode | 1938 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1934 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1925 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1935 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1938 | | 
| 3A/204D CV24 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Double Diode Triode | 1938 | | 
| CV2996 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HL425 | AF Triode | 1926 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HL42DD | Double Diode Triode | 1939 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HL512 | Triode | 1925 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HL565 | Triode | 1925 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1929 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HL610 | Triode | 1930 | | 
| CV3501 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HL63 | Double Diode Triode | | | 
| CV2997 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1950 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HL94 | Pentode | 1956 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HLA1 | Triode | 1932 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HLA2 | Triode | 1933 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HM04 | Heptode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode Pentode | 1956 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1918 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HP2 | Diode Triode | 1933 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HP211 | Pentode | 1934 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1937 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1932 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1934 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1934 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1935 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HP4101C | Pentode | 1938 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1935 | | 
| E447 S434N |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HP4106C | Pentode | 1939 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Pentode | 1935 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HP6 | Pentode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HPT220 | Pentode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HR1 | Rectifier HW | | | 
| 2T/270K 6305 HR2 R10 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Cathode-Ray Tube | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HR11 | Rectifier HW | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HR12 | Rectifier HW | 1960 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Rectifier HW | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HR2 | Rectifier HW | 1936 | | 
| 2T/270K 6304 CV261 HR1 R10 R20 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1933 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HR3 | Rectifier HW | 1936 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HR6 | Rectifier HW | 1936 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Rectifier HW | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Camera Tube | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Camera Tube | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Barretter | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Barretter | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HVR1 | Rectifier HW | 1936 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Rectifier HW | 1937 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Rectifier HW | 1937 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Rectifier HW | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | | | 
| 615-CHY CV3506 VT-235 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HY69 | Beam Tetrode | 1940 | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | | | 
| CV751 |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
HY90 | Rectifier HW | | | 
| |
|
Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| Triode | 1916 | | 
| |
|