Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier FW  1936  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8008  Rectifier MV  1942  
 4064B 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
801  Triode  1940  
 CV621 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Micropup Triode  1939    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Triode  1942  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8012A  Triode  1945  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Rectifier HW   
 CV716 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8018  Beam Tetrode     

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Triode   
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Pentode  1940  
 CV622 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Triode  1943  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Triode  1937  
 4069A CV623 CV623 VT106 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8039  Triode Nuvistor     

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Pentode  1940  
 CV624 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Triode  1936  
 331A CV625 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Triode Nuvistor  1965  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8058  Triode Nuvistor  1965    

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
 Beam Tetrode  1961  
 


Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8072  Beam Tetrode  1962  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
807W  Beam Tetrode     CV3809 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
808  Triode  1938  UX4 
 CV626 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
809  Triode  1946  UX4 
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8092A  Camera Tube (Image Orthicon)  1963  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8093A  Camera Tube (Image Orthicon)  1962  
 P874 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8093A/E  Camera Tube (Image Orthicon)     P874 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8093B  Camera Tube (Image Orthicon)     P874 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8093AL  Camera Tube (Image Orthicon)   
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
80S  Rectifier FW  1935  UX4 
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
81  Rectifier HW  1927  UX4 
 CV2546 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
810  Triode  1946  
 CV627 


Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
811A  Triode  1954  UX4 
 CV5043 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
812A  Triode  1946  UX4 
 


Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8134  Camera Tube (Videcon)  1972  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8134V1  Camera Tube (Videcon)  1966  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8134VB  Camera Tube (Videcon)     8134V1 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8136  Beam Tetrode  1958  B7G 
 6DK6 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
814  Beam Tetrode  1948  
 CV629 RK47 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
814A  Photocell     4GC CE2 GS117A NU2 R71A WL737 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
815  Double Beam Tetrode   IO 
 CV2663 QQV0420 QV0420 VT287 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8156  Beam Tetrode  1964  B12C 
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
816  Rectifier MV  1957  UX4 
 CV724 VT216 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8165/465A  Tetrode (Power)  1959  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8167  Tetrode (Power)  1959  
 4CX300A 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8168  Tetrode (Power)  1963  
 4CX1000A 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8169  Tetrode (Power)  1965  
 4CX3000A 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8170  Tetrode (Power)  1969  
 4CX5000A 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8171  Tetrode (Power)  1972  
 4CX10000D 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8172  Tetrode (Power)  1959  
 4X150G 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8173  Tetrode (Power)  1962  
 4W20000A 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8177  Tetrode (Power)  1962  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8179  Tetrode (Power)  1962  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8184  Tetrode (Power)  1963  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8187  Tetrode (Pulse)  1968  
 4PR65A 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8188  Tetrode (Pulse)  1962  
 4PR400A 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8189  Tetrode (Pulse)  1962  
 4PR1000A 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8198  Travelling Wave Tube  1962  
 EM778 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
82  Rectifier FW  1932  UX4 
 282 CV1773 ER82 G82 NU82 PH282 PH82 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8203  Nuvistor Power Triode  1964  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8205  Ignitron  1962  
 GL8205 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8212  Triode  1963  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8213  Subminiature Triode  1963  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8224  High Voltage Rectifier  1965  
 ML8224 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8233  Special Quality Pentode  1968  
 E55L 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8236  Beam Tetrode  1963  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8238  Low μ Power triode  1952  
 3X3000A1 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8239  Low μ Power triode  1959  
 3X3000F1 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8240  Low μ Power triode  1963  
 3W5000A1 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8241  Power Triode  1963  
 3W5000F1 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8243  Power Triode  1961  
 3W5000F3 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8244  Power Tetrode  1963  
 4CW2000A 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8245  Power Tetrode  1959  
 4CX250K 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8246  Power Tetrode  1959  
 4CX250M 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8247  Power Tetrode  1962  
 4PR125A 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8248  Pulse Tetrode  1962  
 4PR250C 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8252W  Pulse Tetrode  1962  
 4PR60C 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8258  Travelling Wave Tube  1964  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8254  Triode  1962  
 EC1000 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8255  Triode SQ 6DL4   B9A 
 E88C 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
825BU  Rectifier FW  1930  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
826  Power Triode  1941  
 CV630 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8268  Power Triode  1963  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8270  Thyratron  1962  
 ZT1000 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
828  Transmitting Pentode  1948  
 5B/502A 5B/503A 5B/700A CV631 D177 VT154 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8281  Transmitting tetrode  1973  
 4CX15000A 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8283  Power Triode  1963  
 3CX1000A7 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
829  Double Beam Tetrode  1943  
 3E29 829B CV632 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8298A  Beam Tetrode  1964  IO 
 6146B 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
829A  Double Beam Tetrode     CV633 CV3599 


Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
83  Rectifier FW (MV)  1932  UX4 
 CV618 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8301  Hydrogen Thyratron  1963  
 KU275 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
830B  Triode     CV702 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
831  Oscillator Triode   
 


Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8329  Thyratron (Hydrogen)     8503 


Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
833  Triode  1938    CV2667 ES833 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
833A  Triode   
 CV635 TY4350 


Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8349  Tetrode (Power)  1963  
 4CX35000C 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
835  Power Triode  1942  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8350  Power Tetrode  1962  
 4CW50000C 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8352  Power Tetrode  1964  
 4CX1000K 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8353  Bidirectional Decade Counter  1963  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8354  Hydrogen Thyratron  1964  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8356  Magnetron (XBand Pulse)   
 M559 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
836  Rectifier HW  1938  UX4 
 CV636 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8360  Ignitron  1962  
 GL8360 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
837  Pentode  1939  UX7 
 CV637 RK44 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8370  Thyratron (Hydrogen)  1962  
 FX2517 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
838  Pentode     CV638 HF130 RK58 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
838.  Triode   
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8380  Power Tetrode  1964  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8382  Power Triode  1964  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8393  Triode  1965  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
83A1  Voltage Reference  1960  
 7980 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
83V  Rectifier FW  1936  
 CV2547 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
84  Rectifier FW  1937  UX5 
 6Z4 CV619 CV2548 VT84 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
841  Triode  1938  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8413  DiscSeal Triode  1963  
 RH7C YD1070 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8414  Pentode  1962  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8415  Power Triode  1962  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8416  Double Triode  1965  B9A 
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8417  Pentode  1963  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
842  Triode  1933  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8420  Ignitron  1963  
 GL8420 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8424  Thyratron (Hydrogen)  1963  
 8503 CV6022 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8425  Pentode  1963  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8425A  Pentode  1963  
 


Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
843  Triode  1938  
 CV639 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8431  Double Triode  1963  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8432  Pentode  1963  
 PL8432 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8433  Decade Counting Tube  1961  
 Z504S 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8434  Hydrogen Diode  1963  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8435  Hydrogen Diode  1963  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8437  Power Tetrode  1963  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8438  Tetrode (Power)  1970  
 4400A C1136 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8441  Triode  1964  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8443  Storage CathodeRay Tube  1963  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8444  Pentode  1963  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8445  Triode Pentode  1963  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8446  Triode Pentode  1963  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8447  Double Diode Triode  1963  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8448  Pentode  1963  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
845  Triode  1932  
 38145 C845 CV735 VT43 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8480  Camera Tube (Videcon)     

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8484  Camera Tube (Videcon)     P860 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8488  Thyratron (Hydrogen)     6587 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
85  Double Diode Triode  1936  UX6 
 CV2549 


Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
850  Beam Tetrode     

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8503  Thyratron (Hydrogen)     CV6022 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8507  Camera Tube (Videcon)     8507A 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8507A  Camera Tube (Videcon)     

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8541  Camera Tube (Videcon)     8541A 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8541A  Camera Tube (Videcon)     

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8463  Pentode  1964    YL1000 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8533  Triode  1971  
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8553  Thyratron (Hydrogen)     FX2507 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8566  Camera Tube (Videcon)     8626 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8572  Camera Tube (Videcon)     8572A 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8572A  Camera Tube (Videcon)     

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
857B  Rectifier MV     AH205/857B 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8580  Double Beam Tetrode     

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8590  Beam Tetrode  1970    4CPX250K 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
85A1  Voltage Stabiliser  1948  B8B 
 CV431 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
85A2  Voltage Stabiliser  1950  B7G 
 0G3 CV449 CV4048 QS1209 QS83/3 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
85A3  Voltage Stabiliser   
 5783 5783WA CV3933 CV3960 M8190 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
85D  Pentode     XFY10 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
860  Power Tetrode   
 CV640 VT17 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8604  Camera Tube (Videcon)     P844 


Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8613  Thyratron (Hydrogen)  1969  
 FX2507 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8625  Camera Tube (Videcon)     

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8626  Camera Tube (Videcon)     

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8627  Triode Nuvistor     


Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8660  Tetrode (Power)     4CX1500B 


Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
866JR  Rectifier HW   
 CV2679 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
868  Photocell     3554 4GSM 50CG 868 CE1 CMG32 G8 GS146 NU.1 PJ23 R59A WL735 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8684  Magnetron     BM25L 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
869B  Rectifier MV     4078A 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
872  Rectifier MV     4064B 872A AH217 CV642 ESU872 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
872A  Rectifier MV  1938  
 4064B 872 AH217 CE872A CV642 ESU872 GL872A RK872A VT42A 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
874  Voltage Stabiliser   UX4 
 CV643 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
878  Rectifier HW  1936    CV2683 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
878A  Rectifier HW  1936  UX4 
 CV2683 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
879  Rectifier EHT  1939    2B21 2X2A 2X2 CV597 VT119 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8803  Thyratron (Hydrogen)     CV1787 CV5247 FX2505 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
884  Thyratron  1938  IO 
 6Q5G CV647 VT222 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
8844  Videcon     

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
885  Thyratron  1935  UX5 
 2B4 CV648 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
889  Triode     ESW5000 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
889R  Triode     EHA5000 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
892R  Triode (Power)     BR175 ESA892 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
89  Pentode  1936  UX6 
 

Type  Structure  Date  Base  PDF  Sensibly equivalent^{¶} to: 
89J  Cathode Ray Tube  1950    CV2750 
