| 
        Electron tube Type
       | 
        Brand
       | 
        System
       | 
        Data sheet
   | 
    | 
      8532
     | 
      RMA/EIA
     | 
      t
     | 
      8532.pdf (481768 bytes)
   | 
    | 
      8533 (= ML8533)
     | 
      Machlett Laboratories
     | 
      T~
     | 
      8533.pdf (331071 bytes)
   | 
    | 
      8533
     | 
      Eimac
     | 
      T~
     | 
      8533.pdf (964076 bytes)
   | 
    | 
      8534 (= ML8534)
     | 
      Machlett Laboratories
     | 
      T~
     | 
      8534.pdf (978822 bytes)
   | 
    | 
      8535 (= ML8535)
     | 
      Machlett Laboratories
     | 
      T~
     | 
      8534.pdf (978822 bytes)
   | 
    | 
      8536 (= ML8536)
     | 
      Machlett Laboratories
     | 
      T~
     | 
      8536.pdf (971968 bytes)
   | 
    | 
      8537 (= ML8537)
     | 
      Machlett Laboratories
     | 
      T~
     | 
      8536.pdf (971968 bytes)
   | 
    | 
      8538 (= ML8538)
     | 
      Machlett Laboratories
     | 
      T~
     | 
      8538.pdf (367862 bytes)
   | 
    | 
      8539 (= ML8539)
     | 
      Machlett Laboratories
     | 
      T~
     | 
      8538.pdf (367862 bytes)
   | 
    | 
      8541
     | 
      RCA (HB3)
     | 
      VIC
     | 
      8541.pdf (610767 bytes)
   | 
    | 
      8541
     | 
      RMA/EIA
     | 
      VIC
     | 
      8604.pdf (361661 bytes)
   | 
    | 
      8541A
     | 
      RCA (HB3)
     | 
      VIC
     | 
      8541.pdf (610767 bytes)
   | 
    | 
      8543
     | 
      RMA/EIA
     | 
      MAG
     | 
      8543.pdf (192151 bytes)
   | 
    | 
      8547 (= ML8547)
     | 
      Machlett Laboratories
     | 
      T~
     | 
      8547.pdf (526307 bytes)
   | 
    | 
      8548 (= ML8548)
     | 
      Machlett Laboratories
     | 
      T~
     | 
      8548.pdf (417114 bytes)
   | 
    | 
      8549 (= ML8549)
     | 
      Machlett Laboratories
     | 
      T~
     | 
      8549.pdf (479380 bytes)
   | 
    
      8552   (= 6883B)
     | 
      RCA (HB3)
     | 
      P~
     | 
      6883B.pdf (81817 bytes)
   | 
    | 
      8552
     | 
      RMA/EIA
     | 
      P~
     | 
      6883B.pdf (1044428 bytes)
   | 
    | 
      8553
     | 
      ITT
     | 
      THY
     | 
      8553.pdf (155026 bytes)
   | 
    
      8556 (= EC8010)    
     | 
      Telefunken
     | 
      t
     | 
      EC8010.pdf (191340 bytes)
   | 
    | 
      8560A
     | 
      Eimac
     | 
      Q~
     | 
      8560A.pdf (1403809 bytes)
   | 
    | 
      8560AS
     | 
      Svetlana
     | 
      Q~
     | 
      8560AS.pdf (95821 bytes)
   | 
    | 
      8561
     | 
      RMA/EIA
     | 
      Q~
     | 
      8561.pdf (892507 bytes)
   | 
    | 
      8566
     | 
      RMA/EIA
     | 
      VIC
     | 
      8566.pdf (456774 bytes)
   | 
    | 
      8567
     | 
      RCA (HB3)
     | 
      VIC
     | 
      8567.pdf (276454 bytes)
   | 
    | 
      8568
     | 
      RCA (HB3)
     | 
      KLY
     | 
      8568.pdf (310554 bytes)
   | 
    | 
      8569
     | 
      Tung-Sol
     | 
      ti
     | 
      8569.pdf (194859 bytes)
   | 
    | 
      8571
     | 
      RCA (HB3)
     | 
      PMT
     | 
      8571.pdf (411082 bytes)
   | 
    | 
      8572
     | 
      RCA (HB3)
     | 
      VIC
     | 
      8572.pdf (399995 bytes)
   | 
    | 
      8572
     | 
      RMA/EIA
     | 
      VIC
     | 
      8604.pdf (361661 bytes)
   | 
    | 
      8572
     | 
      RMA/EIA
     | 
      VIC
     | 
      8572.pdf (1035090 bytes)
   | 
    | 
      8572A
     | 
      RCA (HB3)
     | 
      VIC
     | 
      8572A.pdf (496504 bytes)
   | 
    | 
      8573
     | 
      RCA (HB3)
     | 
      VIC
     | 
      8573.pdf (48111 bytes)
   | 
    | 
      8573
     | 
      RMA/EIA
     | 
      VIC
     | 
      8573.pdf (1102393 bytes)
   | 
    | 
      8573A
     | 
      RCA (HB3)
     | 
      VIC
     | 
      8573A.pdf (461298 bytes)
   | 
    | 
      8574
     | 
      RMA/EIA
     | 
      TRT
     | 
      8574.pdf (222466 bytes)
   | 
    | 
      8575
     | 
      RCA (HB3)
     | 
      PMT
     | 
      8575.pdf (862676 bytes)
   | 
    | 
      8576 (= 264)
     | 
      Eimac
     | 
      P~
     | 
      264.pdf (1115019 bytes)
   | 
    | 
      8578
     | 
      RMA/EIA
     | 
      TRT
     | 
      8578.pdf (328039 bytes)
   | 
    | 
      857B (= ML857B)
     | 
      Machlett Laboratories
     | 
      R°
     | 
      857B.pdf (124275 bytes)
   | 
    | 
      857B
     | 
      RCA (HB3)
     | 
      R°
     | 
      857B.pdf (243206 bytes)
   | 
    | 
      857B (= AH205)
     | 
      EEV
     | 
      R°
     | 
      AH205.pdf (142355 bytes)
   | 
    | 
      857B
     | 
      Amperex
     | 
      R°
     | 
      857B.pdf (281447 bytes)
   | 
    | 
      857B (= GL857B)
     | 
      General Electric
     | 
      R°
     | 
      GL857B.pdf (508865 bytes)
   | 
    | 
      857B (= AH205)
     | 
      EEV
     | 
      R°
     | 
      AH205.pdf (206021 bytes)
   | 
    | 
      858
     | 
      RCA (HB3)
     | 
      T~
     | 
      858.pdf (297082 bytes)
   | 
    | 
      8582
     | 
      RMA/EIA
     | 
      LDR
     | 
      8582.pdf (239767 bytes)
   | 
    | 
      8587
     | 
      RCA (HB3)
     | 
      Q~
     | 
      8587.pdf (81607 bytes)
   | 
    | 
      859
     | 
      Amperex
     | 
      T~
     | 
      859.pdf (407346 bytes)
   | 
    | 
      8590
     | 
      Eimac
     | 
      Q~
     | 
      8590.pdf (1824121 bytes)
   | 
    | 
      8591 (= TBH6/14)
     | 
      Philips
     | 
      T~
     | 
      TBH6-14.pdf (299236 bytes)
   | 
    | 
      8592 (= TBH7/8000)
     | 
      Philips
     | 
      T~
     | 
      TBH7-8000.pdf (264642 bytes)
   | 
    | 
      8592 (= TBH7/8000)
     | 
      Philips
     | 
      T~
     | 
      TBH7-8000.pdf (208232 bytes)
   | 
    | 
      8593 (= TBH7/9000)
     | 
      Philips
     | 
      T~
     | 
      TBH7-9000.pdf (210783 bytes)
   | 
    | 
      8594 (= TBH12/38)
     | 
      Philips
     | 
      T~
     | 
      TBH12-38.pdf (290836 bytes)
   | 
    | 
      8596
     | 
      RCA (HB3)
     | 
      Q~
     | 
      8596.pdf (91921 bytes)
   | 
    | 
      85A1
     | 
      Philips
     | 
      v`°
     | 
      85A1.pdf (210428 bytes)
   | 
    | 
      85A1 (= 0E3)
     | 
      Amperex
     | 
      v`°
     | 
      0E3.pdf (144542 bytes)
   | 
    | 
      85A1
     | 
      Mullard
     | 
      v`°
     | 
      85A1.pdf (72787 bytes)
   | 
    
      85A2  
     | 
      Philips
     | 
      v`°
     | 
      85A2.pdf (189945 bytes)
   | 
    
      85A2 (= 0G3)  
     | 
      Amperex
     | 
      v`°
     | 
      0G3.pdf (150595 bytes)
   | 
    
      85A2    
     | 
      Siemens
     | 
      v`°
     | 
      85A2.pdf (83642 bytes) (de)
   | 
    | 
      860
     | 
      RCA (HB3)
     | 
      Q~
     | 
      860.pdf (257434 bytes)
   | 
    | 
      8604
     | 
      RMA/EIA
     | 
      VIC
     | 
      8604.pdf (361661 bytes)
   | 
    | 
      8605-1 (= 8605/V1)
     | 
      RCA (HB3)
     | 
      IIT
     | 
      8605-V1.pdf (771715 bytes)
   | 
    | 
      8605-2 (= 8605/V2)
     | 
      RCA (HB3)
     | 
      IIT
     | 
      8605-V1.pdf (771715 bytes)
   | 
    | 
      8605-3 (= 8605/V2)
     | 
      RCA (HB3)
     | 
      IIT
     | 
      8605-V1.pdf (771715 bytes)
   | 
    | 
      8605/V1
     | 
      RCA (HB3)
     | 
      IIT
     | 
      8605-V1.pdf (771715 bytes)
   | 
    | 
      8605/V2
     | 
      RCA (HB3)
     | 
      IIT
     | 
      8605-V1.pdf (771715 bytes)
   | 
    | 
      8606
     | 
      RCA (HB3)
     | 
      IIT
     | 
      8605-V1.pdf (771715 bytes)
   | 
    
      8608  
     | 
      Amperex
     | 
      P
     | 
      8608.pdf (179137 bytes)
   | 
    | 
      861
     | 
      RCA (HB3)
     | 
      Q~
     | 
      861.pdf (315907 bytes)
   | 
    | 
      8610 (= TBH6/6000)
     | 
      Philips
     | 
      T~
     | 
      TBH6-6000.pdf (115989 bytes)
   | 
    | 
      8612
     | 
      RMA/EIA
     | 
      v^°
     | 
      8612.pdf (83270 bytes)
   | 
    | 
      8618 (= ML8618)
     | 
      Machlett Laboratories
     | 
      T~
     | 
      8618.pdf (812944 bytes)
   | 
    | 
      8618V (= ML8618V)
     | 
      Machlett Laboratories
     | 
      T~
     | 
      8618.pdf (812944 bytes)
   | 
    | 
      862
     | 
      GE
     | 
       
     | 
      862.pdf (193223 bytes)
   | 
    | 
      8621
     | 
      Eimac
     | 
      Q~
     | 
      7203.pdf (1438378 bytes)
   | 
    | 
      8627
     | 
      RCA (HB3)
     | 
      t~
     | 
      8627.pdf (360882 bytes)
   | 
    | 
      8628
     | 
      RCA (HB3)
     | 
      t
     | 
      8628.pdf (327444 bytes)
   | 
    | 
      862A
     | 
      RCA (HB3)
     | 
      T~
     | 
      862A.pdf (225615 bytes)
   | 
    | 
      862A (= GL862A)
     | 
      General Electric
     | 
      T~
     | 
      GL862A.pdf (802600 bytes)
   | 
    | 
      8637
     | 
      Amperex
     | 
      QQ~
     | 
      8637.pdf (644775 bytes)
   | 
    
      864  
     | 
      RCA (HB3)
     | 
      t
     | 
      864.pdf (114341 bytes)
   | 
    | 
      864
     | 
      Raytheon
     | 
      t
     | 
      841.pdf (166428 bytes)
   | 
    | 
      864
     | 
      Sylvania
     | 
      t
     | 
      864.pdf (53872 bytes) (fr)
   | 
    | 
      8644
     | 
      RCA (HB3)
     | 
      PMT
     | 
      8644.pdf (886179 bytes)
   | 
    | 
      8645
     | 
      RCA (HB3)
     | 
      PMT
     | 
      8644.pdf (886179 bytes)
   | 
    | 
      8646
     | 
      RCA (HB3)
     | 
      Q~
     | 
      8646.pdf (491410 bytes)
   | 
    
      865  
     | 
      RCA (HB3)
     | 
      Q~
     | 
      865.pdf (303769 bytes)
   | 
    | 
      865
     | 
      Hytron
     | 
      Q~
     | 
      865.pdf (316909 bytes)
   | 
    | 
      866
     | 
      Raytheon
     | 
      R°
     | 
      866A.pdf (187274 bytes)
   | 
    | 
      866
     | 
      Hytron
     | 
      R°
     | 
      866.pdf (362973 bytes)
   | 
    | 
      8660 (= 4CX1500B)
     | 
      Eimac
     | 
      Q~
     | 
      4CX1500B.pdf (1493025 bytes)
   | 
    | 
      8661 (= 4CW10000A)
     | 
      Svetlana
     | 
      Q~
     | 
      4CW10000A.pdf (116497 bytes)
   | 
    | 
      8664
     | 
      RCA (HB3)
     | 
      PMT
     | 
      8664.pdf (616926 bytes)
   | 
    | 
      8664/V1
     | 
      RCA (HB3)
     | 
      PMT
     | 
      8664-V1.pdf (95829 bytes)
   | 
    | 
      8668 (= YD1172)
     | 
      Philips
     | 
      T~
     | 
      YD1170.pdf (255234 bytes)
   | 
    | 
      866A
     | 
      Mazda-Belvu
     | 
      R°
     | 
      866A.pdf (87597 bytes) (fr)
   | 
    
      866A  
     | 
      RCA (HB3)
     | 
      R°
     | 
      866A.pdf (166852 bytes)
   | 
    | 
      866A (= 2V/400A)
     | 
      STC
     | 
      R°
     | 
      2V-400A.pdf (126596 bytes)
   | 
    | 
      866A
     | 
      Raytheon
     | 
      R°
     | 
      866A.pdf (187274 bytes)
   | 
    | 
      866A
     | 
      Eimac
     | 
      R°
     | 
      866A.pdf (317256 bytes)
   | 
    | 
      866A
     | 
      Amperex
     | 
      R°
     | 
      866A.pdf (280535 bytes)
   | 
    | 
      866A (= GL866A)
     | 
      General Electric
     | 
      R°
     | 
      GL866A.pdf (500879 bytes)
   | 
    | 
      866Jr
     | 
      Hytron
     | 
      R°
     | 
      866Jr.pdf (367331 bytes)
   | 
    | 
      8673
     | 
      RCA (HB3)
     | 
      ORT
     | 
      8673.pdf (415824 bytes)
   | 
    | 
      8674
     | 
      RCA (HB3)
     | 
      ORT
     | 
      8674.pdf (419968 bytes)
   | 
    | 
      868
     | 
      RCA (HB3)
     | 
      PHT°
     | 
      868.pdf (135737 bytes)
   | 
    | 
      868 (= GL868)
     | 
      General Electric
     | 
      PHT°
     | 
      GL868.pdf (512554 bytes)
   | 
    | 
      8680 (= YD1212)
     | 
      Philips
     | 
      T~
     | 
      YD1212.pdf (206161 bytes)
   | 
    | 
      8684
     | 
      RCA (HB3)
     | 
      MAG
     | 
      8684.pdf (484709 bytes)
   | 
    | 
      8685
     | 
      RCA (HB3)
     | 
      ORT
     | 
      8685.pdf (429448 bytes)
   | 
    | 
      869B (= ML869B)
     | 
      Machlett Laboratories
     | 
      R°
     | 
      869B.pdf (126746 bytes)
   | 
    | 
      869B
     | 
      RCA (HB3)
     | 
      R°
     | 
      869B.pdf (214935 bytes)
   | 
    | 
      869B
     | 
      Amperex
     | 
      R°
     | 
      869B.pdf (294946 bytes)
   | 
    | 
      869B
     | 
      Eimac
     | 
      R°
     | 
      869B.pdf (930371 bytes)
   | 
    | 
      869B (= GL869B)
     | 
      General Electric
     | 
      R°
     | 
      GL869B.pdf (505019 bytes)
   | 
    | 
      869B
     | 
      EEV
     | 
      R°
     | 
      869B.pdf (177212 bytes)
   | 
    | 
      869BL
     | 
      Eimac
     | 
      R°
     | 
      869B.pdf (930371 bytes)
   | 
    | 
      86A1
     | 
      ChampionRadioTube
     | 
       
     | 
      42A1etc.pdf (99727 bytes)
   | 
    | 
      86A2
     | 
      ChampionRadioTube
     | 
       
     | 
      42A1etc.pdf (99727 bytes)
   | 
    | 
      86B2
     | 
      ChampionRadioTube
     | 
       
     | 
      42A1etc.pdf (99727 bytes)
   | 
    | 
      872
     | 
      Raytheon
     | 
      R°
     | 
      866A.pdf (187274 bytes)
   | 
    | 
      8727
     | 
      RCA (HB3)
     | 
      t
     | 
      8727.pdf (841497 bytes)
   | 
    | 
      8728 (= YD1150A)
     | 
      Philips
     | 
      T~
     | 
      YD1150A.pdf (170583 bytes)
   | 
    | 
      872A (= ML872A)
     | 
      Machlett Laboratories
     | 
      R°
     | 
      872A.pdf (149331 bytes)
   | 
    | 
      872A
     | 
      RCA (HB3)
     | 
      R°
     | 
      872A.pdf (151159 bytes)
   | 
    | 
      872A (= 2V/471A)
     | 
      STC
     | 
      R°
     | 
      2V-471A.pdf (123131 bytes)
   | 
    | 
      872A
     | 
      Eimac
     | 
      R°
     | 
      872A.pdf (291542 bytes)
   | 
    | 
      872A
     | 
      Amperex
     | 
      R°
     | 
      872A.pdf (282692 bytes)
   | 
    | 
      872A (= GL872A)
     | 
      General Electric
     | 
      R°
     | 
      GL872A.pdf (505669 bytes)
   | 
    | 
      8730 (= YD1152)
     | 
      Philips
     | 
      T~
     | 
      YD1152.pdf (177135 bytes)
   | 
    | 
      8731 (= YD1160)
     | 
      Philips
     | 
      T~
     | 
      YD1160.pdf (226168 bytes)
   | 
    | 
      8733 (= YD1162)
     | 
      Philips
     | 
      T~
     | 
      YD1160.pdf (226168 bytes)
   | 
    | 
      8734 (= YD1173)
     | 
      Philips
     | 
      T~
     | 
      YD1173.pdf (193364 bytes)
   | 
    | 
      8735 (= YD1182)
     | 
      Philips
     | 
      T~
     | 
      YD1180.pdf (326585 bytes)
   | 
    | 
      8736 (= YD1192)
     | 
      Philips
     | 
      T~
     | 
      YD1190.pdf (274180 bytes)
   | 
    | 
      874
     | 
      RCA
     | 
      v`°
     | 
      874.pdf (45148 bytes)
   | 
    | 
      874 (= GL874)
     | 
      General Electric
     | 
      v`°
     | 
      GL874.pdf (1026648 bytes)
   | 
    | 
      8741 (= ML8741)
     | 
      Machlett Laboratories
     | 
      T~
     | 
      8741.pdf (903847 bytes)
   | 
    | 
      8748
     | 
      RCA (HB3)
     | 
      ORT
     | 
      8748.pdf (71964 bytes)
   | 
    | 
      8749
     | 
      RCA (HB3)
     | 
      ORT
     | 
      8749.pdf (64401 bytes)
   | 
    | 
      8752 (= YD1202)
     | 
      Philips
     | 
      T~
     | 
      YD1202.pdf (217128 bytes)
   | 
    | 
      8755
     | 
      Eimac
     | 
      T~
     | 
      8755.pdf (893473 bytes)
   | 
    | 
      8755A
     | 
      Eimac
     | 
      T~
     | 
      8755.pdf (893473 bytes)
   | 
    | 
      8757
     | 
      Eimac
     | 
      T~
     | 
      8757.pdf (1530772 bytes)
   | 
    
      876  
     | 
      RCA
     | 
      c
     | 
      874.pdf (45148 bytes)
   | 
    | 
      8765
     | 
      ITT
     | 
      THY
     | 
      8765.pdf (156071 bytes)
   | 
    | 
      8772 (= ML8772)
     | 
      Machlett Laboratories
     | 
      T~
     | 
      8772.pdf (902481 bytes)
   | 
    | 
      8773 (= ML8773)
     | 
      Machlett Laboratories
     | 
      T~
     | 
      8772.pdf (902481 bytes)
   | 
    | 
      8775
     | 
      RCA (HB3)
     | 
      ORT
     | 
      8775.pdf (399395 bytes)
   | 
    | 
      878
     | 
      RCA (HB3)
     | 
      R
     | 
      878.pdf (61643 bytes)
   | 
    | 
      8785 (= ML8785)
     | 
      Machlett Laboratories
     | 
      Q~
     | 
      8785.pdf (1002491 bytes)
   | 
    | 
      8786 (= ML8786)
     | 
      Machlett Laboratories
     | 
      Q~
     | 
      8785.pdf (1002491 bytes)
   | 
    | 
      879
     | 
      Mazda
     | 
      R
     | 
      879.pdf (83573 bytes) (fr)
   | 
    | 
      879
     | 
      Sylvania
     | 
      R
     | 
      2X2.pdf (41787 bytes) (fr)
   | 
    | 
      879 (= 2X2)
     | 
      Tung-Sol
     | 
      R
     | 
      2X2.pdf (49749 bytes)
   | 
    | 
      8791
     | 
      RCA
     | 
      Q~
     | 
      8791.pdf (806863 bytes)
   | 
    | 
      8791/V1
     | 
      RCA (HB3)
     | 
      Q~
     | 
      8791-V1.pdf (79708 bytes)
   | 
    | 
      8792
     | 
      RCA
     | 
      Q~
     | 
      8792.pdf (827395 bytes)
   | 
    | 
      8792/V1
     | 
      RCA (HB3)
     | 
      Q~
     | 
      8792-V1.pdf (86219 bytes)
   | 
    | 
      8793
     | 
      RCA (HB3)
     | 
      Q~
     | 
      8793.pdf (77456 bytes)
   | 
    | 
      8794
     | 
      RCA (HB3)
     | 
      Q~
     | 
      8794.pdf (79409 bytes)
   | 
    | 
      8795 (= ML8795)
     | 
      Machlett Laboratories
     | 
      T~
     | 
      8795.pdf (392468 bytes)
   | 
    | 
      8796 (= ML8796)
     | 
      Machlett Laboratories
     | 
      T~
     | 
      8795.pdf (392468 bytes)
   | 
    | 
      880 (= ML880)
     | 
      Machlett Laboratories
     | 
      T~
     | 
      5658.pdf (501887 bytes)
   | 
    | 
      880
     | 
      RCA (HB3)
     | 
      T~
     | 
      880.pdf (440293 bytes)
   | 
    | 
      880 (= GL880)
     | 
      General Electric
     | 
      T~
     | 
      GL880.pdf (651375 bytes)
   | 
    | 
      8801 (= YD1180)
     | 
      Philips
     | 
      T~
     | 
      YD1180.pdf (326585 bytes)
   | 
    | 
      8806
     | 
      RCA (HB3)
     | 
      Q~
     | 
      8806.pdf (82314 bytes)
   | 
    | 
      8807
     | 
      RCA (HB3)
     | 
      Q~
     | 
      8807.pdf (84193 bytes)
   | 
    
      8808    
     | 
      RCA (HB3)
     | 
      t
     | 
      8808.pdf (342002 bytes)
   | 
    | 
      8809
     | 
      Eimac
     | 
      Q~
     | 
      8809.pdf (1143368 bytes)
   | 
    | 
      881
     | 
      Westinghouse
     | 
       
     | 
      881.pdf (100702 bytes)
   | 
    | 
      8811
     | 
      RCA (HB3)
     | 
      KLY
     | 
      8811.pdf (278676 bytes)
   | 
    | 
      8812 (= YL1420)
     | 
      Philips
     | 
      Q~
     | 
      YL1420.pdf (449289 bytes)
   | 
    | 
      8813 (= YL1430)
     | 
      Philips
     | 
      Q~
     | 
      YL1430.pdf (498832 bytes)
   | 
    | 
      8814 (= YL1440)
     | 
      Philips
     | 
      Q~
     | 
      YL1440.pdf (433909 bytes)
   | 
    | 
      8824
     | 
      RCA (HB3)
     | 
      KLY
     | 
      8824.pdf (346615 bytes)
   | 
    | 
      8825
     | 
      RCA (HB3)
     | 
      KLY
     | 
      8825.pdf (350266 bytes)
   | 
    | 
      8826
     | 
      RCA (HB3)
     | 
      KLY
     | 
      8826.pdf (312174 bytes)
   | 
    | 
      8828
     | 
      RCA (HB3)
     | 
      Q~
     | 
      8828.pdf (422876 bytes)
   | 
    
      884    
     | 
      RCA (HB3)
     | 
      THY
     | 
      884.pdf (161586 bytes)
   | 
    | 
      884
     | 
      Mazda
     | 
      THY
     | 
      884.pdf (135022 bytes) (fr)
   | 
    | 
      884
     | 
      Sylvania
     | 
      THY
     | 
      884.pdf (71452 bytes) (fr)
   | 
    | 
      884 (= GL884)
     | 
      General Electric
     | 
      THY
     | 
      GL884.pdf (562599 bytes)
   | 
    | 
      8846 (= ML8846)
     | 
      Machlett Laboratories
     | 
      T~
     | 
      8846.pdf (694548 bytes)
   | 
    | 
      8847
     | 
      Eimac
     | 
      T~
     | 
      8847.pdf (1339393 bytes)
   | 
    | 
      8847A
     | 
      Eimac
     | 
      T~
     | 
      8847.pdf (1339393 bytes)
   | 
    | 
      885
     | 
      RCA (HB3)
     | 
      THY
     | 
      884.pdf (161586 bytes)
   | 
    | 
      885
     | 
      Sylvania
     | 
      THY
     | 
      884.pdf (71452 bytes) (fr)
   | 
    | 
      885 (= GL885)
     | 
      General Electric
     | 
      THY
     | 
      GL885.pdf (548357 bytes)
   | 
    | 
      8850
     | 
      RCA (HB3)
     | 
      PMT
     | 
      8850.pdf (887619 bytes)
   | 
    | 
      8851
     | 
      RCA (HB3)
     | 
      PMT
     | 
      8851.pdf (50838 bytes)
   | 
    | 
      8857/V1
     | 
      RCA (HB3)
     | 
      IIT
     | 
      8857-V1.pdf (542936 bytes)
   | 
    | 
      8857/V2
     | 
      RCA (HB3)
     | 
      IIT
     | 
      8857-V1.pdf (542936 bytes)
   | 
    | 
      8858
     | 
      RCA (HB3)
     | 
      IIT
     | 
      8857-V1.pdf (542936 bytes)
   | 
    | 
      886
     | 
      RCA
     | 
      c
     | 
      874.pdf (45148 bytes)
   | 
    | 
      8867 (= YD1352S)
     | 
      Philips
     | 
      FET
     | 
      YD1352S.pdf (203469 bytes)
   | 
    | 
      8873
     | 
      Eimac
     | 
      T~
     | 
      8873.pdf (1536207 bytes)
   | 
    | 
      8874
     | 
      Eimac
     | 
      T~
     | 
      8873.pdf (1536207 bytes)
   | 
    | 
      8874 (= 3CX400A7)
     | 
      Svetlana
     | 
      T~
     | 
      3CX400A7.pdf (54486 bytes)
   | 
    | 
      8875
     | 
      Eimac
     | 
      T~
     | 
      8873.pdf (1536207 bytes)
   | 
    | 
      8876
     | 
      Eimac
     | 
      Q~
     | 
      8876.pdf (1295037 bytes)
   | 
    | 
      8877
     | 
      Eimac
     | 
      T~
     | 
      8877.pdf (1139038 bytes)
   | 
    | 
      889
     | 
      Amperex
     | 
      T~
     | 
      889.pdf (424954 bytes)
   | 
    | 
      8890
     | 
      RCA (HB3)
     | 
      Q~
     | 
      8890.pdf (387360 bytes)
   | 
    | 
      8891
     | 
      RCA (HB3)
     | 
      Q~
     | 
      8891.pdf (484519 bytes)
   | 
    | 
      8892
     | 
      Eimac
     | 
      T~
     | 
      8892.pdf (330516 bytes)
   | 
    | 
      8893
     | 
      Eimac
     | 
      T~
     | 
      8893.pdf (371636 bytes)
   | 
    | 
      889A (= ML889A)
     | 
      Machlett Laboratories
     | 
      T~
     | 
      889A.pdf (398568 bytes)
   | 
    | 
      889A
     | 
      RCA (HB3)
     | 
      T~
     | 
      889A.pdf (472614 bytes)
   | 
    | 
      889A (= GL889A)
     | 
      General Electric
     | 
      T~
     | 
      GL889A.pdf (785376 bytes)
   | 
    | 
      889R
     | 
      Amperex
     | 
      T~
     | 
      889R.pdf (411684 bytes)
   | 
    | 
      889RA (= ML889RA)
     | 
      Machlett Laboratories
     | 
      T~
     | 
      889A.pdf (398568 bytes)
   | 
    | 
      889RA
     | 
      RCA (HB3)
     | 
      T~
     | 
      889RA.pdf (178525 bytes)
   | 
    | 
      89
     | 
      RCA
     | 
      P
     | 
      89.pdf (89948 bytes)
   | 
    | 
      89
     | 
      Sylvania
     | 
      P
     | 
      89.pdf (77219 bytes) (fr)
   | 
    | 
      89
     | 
      Tung-Sol
     | 
      P
     | 
      89.pdf (76991 bytes)
   | 
    | 
      8904
     | 
      Eimac
     | 
      Q~
     | 
      8904.pdf (1207415 bytes)
   | 
    | 
      8906 (= ML8906)
     | 
      Machlett Laboratories
     | 
      T~
     | 
      8906.pdf (832105 bytes)
   | 
    | 
      8906
     | 
      Eimac
     | 
      T~
     | 
      8906.pdf (1360295 bytes)
   | 
    | 
      8906AL
     | 
      Eimac
     | 
      T~
     | 
      8906AL.pdf (1172472 bytes)
   | 
    | 
      8907 (= ML8907)
     | 
      Machlett Laboratories
     | 
      T~
     | 
      8906.pdf (832105 bytes)
   | 
    | 
      8907
     | 
      Eimac
     | 
      T~
     | 
      8906.pdf (1360295 bytes)
   | 
    | 
      8909
     | 
      Eimac
     | 
      Q~
     | 
      8909.pdf (1251216 bytes)
   | 
    | 
      891 (= ML891)
     | 
      Machlett Laboratories
     | 
      T~
     | 
      891.pdf (444891 bytes)
   | 
    | 
      891
     | 
      RCA (HB3)
     | 
      T~
     | 
      891.pdf (468602 bytes)
   | 
    | 
      891
     | 
      Amperex
     | 
      T~
     | 
      891.pdf (447928 bytes)
   | 
    | 
      891 (= GL891)
     | 
      General Electric
     | 
      T~
     | 
      GL891.pdf (857646 bytes)
   | 
    | 
      8910
     | 
      Eimac
     | 
      Q~
     | 
      8910.pdf (1336511 bytes)
   | 
    | 
      8911
     | 
      Eimac
     | 
      T~
     | 
      8911.pdf (326091 bytes)
   | 
    | 
      8912
     | 
      Eimac
     | 
      T~
     | 
      8912.pdf (330212 bytes)
   | 
    | 
      8913 (= YD1195)
     | 
      Philips
     | 
      T~
     | 
      YD1195.pdf (348803 bytes)
   | 
    | 
      8915 (= YL1520)
     | 
      Philips
     | 
      Q~
     | 
      YL1520.pdf (369976 bytes)
   | 
    | 
      8918 (= YD1342)
     | 
      Philips
     | 
      T~
     | 
      YD1342.pdf (199366 bytes)
   | 
    | 
      891R (= ML891R)
     | 
      Machlett Laboratories
     | 
      T~
     | 
      891.pdf (444891 bytes)
   | 
    | 
      891R
     | 
      RCA (HB3)
     | 
      T~
     | 
      891R.pdf (184735 bytes)
   | 
    | 
      891R
     | 
      Amperex
     | 
      T~
     | 
      891R.pdf (388912 bytes)
   | 
    | 
      892 (= ML892)
     | 
      Machlett Laboratories
     | 
      T~
     | 
      892.pdf (456430 bytes)
   | 
    | 
      892
     | 
      RCA (HB3)
     | 
      T~
     | 
      892.pdf (427936 bytes)
   | 
    | 
      892
     | 
      Amperex
     | 
      T~
     | 
      892.pdf (466538 bytes)
   | 
    | 
      892 (= GL892)
     | 
      General Electric
     | 
      T~
     | 
      GL892.pdf (836514 bytes)
   | 
    | 
      8921
     | 
      Eimac
     | 
      Q~
     | 
      8809.pdf (1143368 bytes)
   | 
    | 
      892R (= ML892R)
     | 
      Machlett Laboratories
     | 
      T~
     | 
      892.pdf (456430 bytes)
   | 
    | 
      892R
     | 
      RCA (HB3)
     | 
      T~
     | 
      892R.pdf (200684 bytes)
   | 
    | 
      892R
     | 
      Amperex
     | 
      T~
     | 
      892R.pdf (463522 bytes)
   | 
    | 
      893
     | 
      GE
     | 
       
     | 
      893.pdf (168723 bytes)
   | 
    | 
      8930
     | 
      Eimac
     | 
      Q~
     | 
      8930.pdf (1233918 bytes)
   | 
    | 
      8933
     | 
      Eimac
     | 
      T~
     | 
      8933.pdf (710209 bytes)
   | 
    | 
      8935 (= YD1185)
     | 
      Philips
     | 
      T~
     | 
      YD1185.pdf (331459 bytes)
   | 
    | 
      8936 (= YD1187)
     | 
      Philips
     | 
      T~
     | 
      YD1185.pdf (331459 bytes)
   | 
    | 
      8937 (= YD1197)
     | 
      Philips
     | 
      T~
     | 
      YD1195.pdf (348803 bytes)
   | 
    | 
      8938
     | 
      Eimac
     | 
      T~
     | 
      8938.pdf (1058906 bytes)
   | 
    | 
      893A (= ML893A)
     | 
      Machlett Laboratories
     | 
      T~
     | 
      893A.pdf (514731 bytes)
   | 
    | 
      893A
     | 
      RCA (HB3)
     | 
      T~
     | 
      893A.pdf (198160 bytes)
   | 
    | 
      893A (= GL893A)
     | 
      General Electric
     | 
      T~
     | 
      GL893A.pdf (835642 bytes)
   | 
    | 
      893AR (= ML893AR)
     | 
      Machlett Laboratories
     | 
      T~
     | 
      893AR.pdf (542138 bytes)
   | 
    | 
      893AR
     | 
      RCA (HB3)
     | 
      T~
     | 
      893AR.pdf (435984 bytes)
   | 
    | 
      893R
     | 
      GE
     | 
      T~
     | 
      893R.pdf (173431 bytes)
   | 
    | 
      8940
     | 
      Eimac
     | 
      T~
     | 
      8940.pdf (1612609 bytes)
   | 
    | 
      8941
     | 
      Eimac
     | 
      T~
     | 
      8941.pdf (1419041 bytes)
   | 
    | 
      8950
     | 
      GeneralElectric
     | 
      P~
     | 
      8950.pdf (215002 bytes)
   | 
    | 
      8952 (= YD1175)
     | 
      Philips
     | 
      T~
     | 
      YD1175.pdf (260413 bytes)
   | 
    | 
      8954
     | 
      Eimac
     | 
      Q~
     | 
      8954.pdf (1192127 bytes)
   | 
    | 
      8957
     | 
      Eimac
     | 
      Q~
     | 
      8957.pdf (1248391 bytes)
   | 
    | 
      8959
     | 
      Eimac
     | 
      Q~
     | 
      8959.pdf (1481068 bytes)
   | 
    | 
      8973
     | 
      Eimac
     | 
      Q~
     | 
      8973.pdf (1495675 bytes)
   | 
    | 
      8974
     | 
      Eimac
     | 
      Q~
     | 
      8974.pdf (2782582 bytes)
   | 
    | 
      8989
     | 
      Eimac
     | 
      Q~
     | 
      8989.pdf (952286 bytes)
   | 
    | 
      8989 (= 4CX12000A)
     | 
      Svetlana
     | 
      Q~
     | 
      4CX12000A.pdf (77768 bytes)
   | 
    | 
      898A
     | 
      RCA (HB3)
     | 
      T~
     | 
      898A.pdf (477399 bytes)
   | 
    | 
      8990
     | 
      Eimac
     | 
      Q~
     | 
      8990.pdf (1156867 bytes)
   | 
    | 
      8990 (= 4CX20000A)
     | 
      Svetlana
     | 
      Q~
     | 
      4CX20000Aspec.pdf (129106 bytes)
   | 
    | 
      8990A
     | 
      Eimac
     | 
      Q~
     | 
      8990.pdf (1156867 bytes)
   | 
    | 
      899A
     | 
      Westinghouse
     | 
       
     | 
      899-A.pdf (111320 bytes)
   | 
    | 
      8A/54HM
     | 
      Ferranti
     | 
      CRR
     | 
      8A-54HM.pdf (77184 bytes)
   | 
    | 
      8A/54LM
     | 
      Ferranti
     | 
      CRR
     | 
      8A-54HM.pdf (77184 bytes)
   | 
    | 
      8A/56HM
     | 
      Ferranti
     | 
      CRR
     | 
      8A-56HM.pdf (79513 bytes)
   | 
    | 
      8A/56LM
     | 
      Ferranti
     | 
      CRR
     | 
      8A-56HM.pdf (79513 bytes)
   | 
    | 
      8A1
     | 
      Brimar
     | 
      p
     | 
      8A1.pdf (300401 bytes)
   | 
    | 
      8AC10
     | 
      General Electric
     | 
      ttt
     | 
      8AC10.pdf (83909 bytes)
   | 
    | 
      8AC10
     | 
      RCA (RC30)
     | 
      ttt
     | 
      6AB4.pdf (283760 bytes)
   | 
    | 
      8AC9
     | 
      Sylvania
     | 
      ddp
     | 
      6AC9.pdf (114155 bytes)
   | 
    | 
      8AL9
     | 
      Sylvania
     | 
      tP
     | 
      6AL9.pdf (484977 bytes)
   | 
    | 
      8AL9
     | 
      General Electric
     | 
      tP
     | 
      8AL9.pdf (471072 bytes)
   | 
    | 
      8AP4
     | 
      Tung-Sol
     | 
      CRB
     | 
      8AP4.pdf (80342 bytes)
   | 
    | 
      8AP4A
     | 
      General Electric
     | 
      CRB
     | 
      8AP4A.pdf (571566 bytes)
   | 
    | 
      8AR11
     | 
      General Electric
     | 
      pp
     | 
      8AR11.pdf (110364 bytes)
   | 
    | 
      8AR11
     | 
      RCA (RC30)
     | 
      pp
     | 
      6AR11.pdf (469509 bytes)
   | 
    | 
      8AU8
     | 
      RCA (HB3)
     | 
      tp
     | 
      8AU8.pdf (90618 bytes)
   | 
    | 
      8AU8
     | 
      RCA (HB3)
     | 
      tp
     | 
      8AW8A.pdf (124292 bytes)
   | 
    | 
      8AU8
     | 
      Tung-Sol
     | 
      tp
     | 
      8AU8.pdf (536636 bytes)
   | 
    | 
      8AU8A
     | 
      Tung-Sol
     | 
      tp
     | 
      8AU8.pdf (536636 bytes)
   | 
    | 
      8AW8A
     | 
      RCA (HB3)
     | 
      tp
     | 
      8AW8A.pdf (124292 bytes)
   | 
    | 
      8AW8A
     | 
      General Electric
     | 
      tp
     | 
      6AW8A.pdf (980634 bytes)
   | 
    | 
      8AW8A
     | 
      Tung-Sol
     | 
      tp
     | 
      8AW8A.pdf (149628 bytes)
   | 
    | 
      8AW8A
     | 
      RCA (RC30)
     | 
      tp
     | 
      6AW8A.pdf (603829 bytes)
   | 
    | 
      8B/08L2B
     | 
      Ferranti
     | 
      CRR
     | 
      8B-08L2B.pdf (93349 bytes)
   | 
    | 
      8B/08VB
     | 
      Ferranti
     | 
      CRR
     | 
      8B-08L2B.pdf (93349 bytes)
   | 
    | 
      8B/08ZB
     | 
      Ferranti
     | 
      CRR
     | 
      8B-08L2B.pdf (93349 bytes)
   | 
    | 
      8B10
     | 
      RCA (HB3)
     | 
      ddtt
     | 
      8AW8A.pdf (124292 bytes)
   | 
    
      8B10    
     | 
      General Electric
     | 
      ddtt
     | 
      8AR11.pdf (110364 bytes)
   | 
    | 
      8B10
     | 
      RCA (RC30)
     | 
      ddtt
     | 
      6AW8A.pdf (603829 bytes)
   | 
    | 
      8B8 (= XCL82)
     | 
      Miniwatt
     | 
      tP
     | 
      XCL82.pdf (396945 bytes) (pt)
   | 
    | 
      8B8
     | 
      RCA (RC30)
     | 
      tP
     | 
      16A8.pdf (180977 bytes)
   | 
    | 
      8B8
     | 
      Rogers
     | 
      tP
     | 
      8B8.pdf (452803 bytes)
   | 
    | 
      8BA11
     | 
      Sylvania
     | 
      tpp
     | 
      6BA11.pdf (153450 bytes)
   | 
    | 
      8BA11
     | 
      General Electric
     | 
      tpp
     | 
      8BA11.pdf (94947 bytes)
   | 
    | 
      8BA11
     | 
      RCA (RC30)
     | 
      tpp
     | 
      6BA8A.pdf (149116 bytes)
   | 
    | 
      8BA8
     | 
      Sylvania
     | 
      tP
     | 
      6BA8.pdf (141570 bytes)
   | 
    | 
      8BA8A
     | 
      RCA (HB3)
     | 
      tP
     | 
      8AW8A.pdf (124292 bytes)
   | 
    | 
      8BA8A
     | 
      Tung-Sol
     | 
      tP
     | 
      8BA8A.pdf (104458 bytes)
   | 
    | 
      8BA8A
     | 
      Sylvania
     | 
      tP
     | 
      6BA8A.pdf (568001 bytes)
   | 
    | 
      8BA8A
     | 
      RCA (RC30)
     | 
      tP
     | 
      6BA8A.pdf (149116 bytes)
   | 
    | 
      8BH8
     | 
      RCA (HB3)
     | 
      tp
     | 
      8AW8A.pdf (124292 bytes)
   | 
    | 
      8BM11
     | 
      General Electric
     | 
      pp
     | 
      8BM11.pdf (528184 bytes)
   | 
    | 
      8BM11
     | 
      RCA (RC30)
     | 
      pp
     | 
      8BM11.pdf (145782 bytes)
   | 
    | 
      8BN11
     | 
      General Electric
     | 
      pp
     | 
      8BN11.pdf (83789 bytes)
   | 
    
      8BN8  
     | 
      RCA (HB3)
     | 
      ddt
     | 
      8AW8A.pdf (124292 bytes)
   | 
    | 
      8BN8
     | 
      Sylvania
     | 
      ddt
     | 
      6BN8.pdf (182530 bytes)
   | 
    | 
      8BN8
     | 
      Sylvania
     | 
      ddt
     | 
      6BN8.pdf (445667 bytes)
   | 
    
      8BN8  
     | 
      RCA (RC30)
     | 
      ddt
     | 
      6BN8.pdf (67785 bytes)
   | 
    | 
      8BP4
     | 
      Tung-Sol
     | 
      CRB
     | 
      8BP4.pdf (103997 bytes)
   | 
    | 
      8BQ11
     | 
      General Electric
     | 
      pp
     | 
      8BQ11.pdf (86904 bytes)
   | 
    | 
      8BQ11
     | 
      RCA (RC30)
     | 
      pp
     | 
      8BM11.pdf (145782 bytes)
   | 
    
      8BQ5    
     | 
      RCA (HB3)
     | 
      P
     | 
      8AW8A.pdf (124292 bytes)
   | 
    | 
      8BQ5
     | 
      General Electric
     | 
      P
     | 
      6BQ5.pdf (667997 bytes)
   | 
    | 
      8BQ5
     | 
      Tung-Sol
     | 
      P
     | 
      8BQ5.pdf (538574 bytes)
   | 
    
      8BQ5    
     | 
      RCA (RC30)
     | 
      P
     | 
      6BN11.pdf (549900 bytes)
   | 
    | 
      8BQ7A
     | 
      CompangnieIndustrielle…
     | 
      tt
     | 
      8BQ7A.pdf (79789 bytes)
   | 
    | 
      8BU11
     | 
      General Electric
     | 
      ttp
     | 
      8BU11.pdf (592100 bytes)
   | 
    | 
      8BU11
     | 
      RCA (RC30)
     | 
      ttp
     | 
      8BM11.pdf (145782 bytes)
   | 
    | 
      8C22
     | 
      FTR
     | 
       
     | 
      8C22.pdf (58942 bytes)
   | 
    | 
      8C23
     | 
      FTR
     | 
       
     | 
      8C23.pdf (58375 bytes)
   | 
    | 
      8CB11
     | 
      General Electric
     | 
      pp
     | 
      8CB11.pdf (394274 bytes)
   | 
    
      8CG7  
     | 
      RCA (HB3)
     | 
      tt
     | 
      8AW8A.pdf (124292 bytes)
   | 
    
      8CG7  
     | 
      RCA (HB3)
     | 
      tt
     | 
      8CG7.pdf (66921 bytes)
   | 
    | 
      8CG7
     | 
      General Electric
     | 
      tt
     | 
      6CG7.pdf (470844 bytes)
   | 
    | 
      8CG7
     | 
      Tung-Sol
     | 
      tt
     | 
      8CG7.pdf (164545 bytes)
   | 
    
      8CG7  
     | 
      RCA (RC30)
     | 
      tt
     | 
      6FQ7.pdf (132542 bytes)
   | 
    
      8CM7  
     | 
      RCA (HB3)
     | 
      tt
     | 
      8CG7.pdf (66921 bytes)
   | 
    
      8CM7  
     | 
      RCA (HB3)
     | 
      tt
     | 
      8CM7.pdf (56826 bytes)
   | 
    | 
      8CM7
     | 
      Tung-Sol
     | 
      tt
     | 
      8CM7.pdf (265816 bytes)
   | 
    
      8CM7  
     | 
      RCA (RC30)
     | 
      tt
     | 
      6CL8A.pdf (210597 bytes)
   | 
    | 
      8CN7
     | 
      RCA (HB3)
     | 
      ddt
     | 
      8CG7.pdf (66921 bytes)
   | 
    | 
      8CN7
     | 
      RCA (HB3)
     | 
      ddt
     | 
      8CM7.pdf (56826 bytes)
   | 
    | 
      8CN7
     | 
      General Electric
     | 
      ddt
     | 
      6CN7.pdf (454273 bytes)
   | 
    | 
      8CN7
     | 
      Tung-Sol
     | 
      ddt
     | 
      8CN7.pdf (248287 bytes)
   | 
    | 
      8CP1
     | 
      Sylvania
     | 
      CRT
     | 
      8CP1.pdf (160744 bytes)
   | 
    | 
      8CP11
     | 
      Sylvania
     | 
      CRT
     | 
      8CP1.pdf (160744 bytes)
   | 
    | 
      8CP2
     | 
      Sylvania
     | 
      CRT
     | 
      8CP1.pdf (160744 bytes)
   | 
    | 
      8CP4
     | 
      Sylvania
     | 
      CRT
     | 
      8CP1.pdf (160744 bytes)
   | 
    | 
      8CP5
     | 
      Sylvania
     | 
      CRT
     | 
      8CP1.pdf (160744 bytes)
   | 
    | 
      8CP7
     | 
      Sylvania
     | 
      CRT
     | 
      8CP1.pdf (160744 bytes)
   | 
    | 
      8CS7
     | 
      RCA (HB3)
     | 
      tT
     | 
      8CG7.pdf (66921 bytes)
   | 
    
      8CS7    
     | 
      Sylvania
     | 
      tT
     | 
      6CS7.pdf (160016 bytes)
   | 
    | 
      8CS7
     | 
      Tung-Sol
     | 
      tT
     | 
      8CS7.pdf (87008 bytes)
   | 
    
      8CS7    
     | 
      Sylvania
     | 
      tT
     | 
      6CS7.pdf (628395 bytes)
   | 
    | 
      8CS7
     | 
      RCA (RC30)
     | 
      tT
     | 
      6CS6.pdf (457275 bytes)
   | 
    
      8CW5  
     | 
      RCA (HB3)
     | 
      P
     | 
      8CG7.pdf (66921 bytes)
   | 
    | 
      8CW5 (= XL86)
     | 
      Miniwatt
     | 
      P
     | 
      XL86.pdf (174752 bytes) (pt)
   | 
    
      8CW5  
     | 
      RCA (RC30)
     | 
      P
     | 
      6CS6.pdf (457275 bytes)
   | 
    | 
      8CW5
     | 
      Philips
     | 
      P
     | 
      15CW5.pdf (209643 bytes)
   | 
    | 
      8CW5A
     | 
      RMA/EIA
     | 
      P
     | 
      8CW5A.pdf (27189 bytes)
   | 
    | 
      8CX8
     | 
      RCA (HB3)
     | 
      tp
     | 
      8CG7.pdf (66921 bytes)
   | 
    | 
      8CX8
     | 
      RCA (HB3)
     | 
      tp
     | 
      8CM7.pdf (56826 bytes)
   | 
    | 
      8CX8
     | 
      General Electric
     | 
      tp
     | 
      6CX8.pdf (840587 bytes)
   | 
    | 
      8CX8
     | 
      Tung-Sol
     | 
      tp
     | 
      8CX8.pdf (397052 bytes)
   | 
    | 
      8CX8
     | 
      RCA (RC30)
     | 
      tp
     | 
      6CS6.pdf (457275 bytes)
   | 
    | 
      8CY7
     | 
      General Electric
     | 
      tt
     | 
      6CY7.pdf (534232 bytes)
   | 
    | 
      8CY7
     | 
      Tung-Sol
     | 
      tt
     | 
      8CY7.pdf (259090 bytes)
   | 
    
      8D2  
     | 
      Brimar
     | 
      p
     | 
      7Z4.pdf (45086 bytes)
   | 
    | 
      8D21
     | 
      RCA (HB3)
     | 
      QQ~
     | 
      8D21.pdf (438373 bytes)
   | 
    | 
      8D5 (= 6BR7)
     | 
      Brimar
     | 
      p
     | 
      6BR7.pdf (127184 bytes)
   | 
    | 
      8D8
     | 
      Brimar
     | 
      p
     | 
      8D8.pdf (556946 bytes)
   | 
    | 
      8DP4
     | 
      RCA (HB3)
     | 
      CRB
     | 
      8DP4.pdf (68181 bytes)
   | 
    | 
      8DP4
     | 
      Sylvania
     | 
      CRB
     | 
      8DP4.pdf (261909 bytes)
   | 
    | 
      8DX8 (= XCL84)
     | 
      Miniwatt
     | 
      tP
     | 
      XCL84.pdf (219707 bytes) (pt)
   | 
    
      8EB8  
     | 
      RCA (HB3)
     | 
      tp
     | 
      8CG7.pdf (66921 bytes)
   | 
    
      8EB8  
     | 
      RCA (HB3)
     | 
      tp
     | 
      8CM7.pdf (56826 bytes)
   | 
    | 
      8EB8
     | 
      Tung-Sol
     | 
      tp
     | 
      8EB8.pdf (100394 bytes)
   | 
    
      8EB8  
     | 
      RCA (RC30)
     | 
      tp
     | 
      6GK5.pdf (508126 bytes)
   | 
    
      8EM5  
     | 
      RCA (HB3)
     | 
      P
     | 
      8CM7.pdf (56826 bytes)
   | 
    
      8EM5  
     | 
      RCA (HB3)
     | 
      P
     | 
      8EM5.pdf (14643 bytes)
   | 
    | 
      8EM5
     | 
      Sylvania
     | 
      P
     | 
      6EM5.pdf (134957 bytes)
   | 
    | 
      8EM5
     | 
      Tung-Sol
     | 
      P
     | 
      8EM5.pdf (111568 bytes)
   | 
    
      8EM5  
     | 
      RCA (RC30)
     | 
      P
     | 
      6EA8.pdf (574278 bytes)
   | 
    | 
      8ET7
     | 
      RCA (HB3)
     | 
      ddp
     | 
      8ET7.pdf (99333 bytes)
   | 
    
      8ET7  
     | 
      Sylvania
     | 
      ddp
     | 
      6ET7.pdf (109704 bytes)
   | 
    | 
      8ET7
     | 
      Tung-Sol
     | 
      ddp
     | 
      8ET7.pdf (85658 bytes)
   | 
    | 
      8F76R
     | 
      NEC
     | 
      Q~
     | 
      8F76R.pdf (1640158 bytes)
   | 
    | 
      8FP4
     | 
      Sylvania
     | 
      CRM
     | 
      8FP4.pdf (206067 bytes)
   | 
    
      8FQ7  
     | 
      RCA (HB3)
     | 
      tT
     | 
      8FQ7.pdf (72118 bytes)
   | 
    | 
      8FQ7
     | 
      Tung-Sol
     | 
      tT
     | 
      8FQ7.pdf (108638 bytes)
   | 
    
      8FQ7  
     | 
      RCA (RC30)
     | 
      tT
     | 
      6FQ7.pdf (132542 bytes)
   | 
    | 
      8GJ7
     | 
      RCA (HB3)
     | 
      tp
     | 
      8FQ7.pdf (72118 bytes)
   | 
    | 
      8GJ7
     | 
      RCA (RC30)
     | 
      tp
     | 
      6GB5.pdf (411522 bytes)
   | 
    | 
      8GN8
     | 
      RCA (HB3)
     | 
      tp
     | 
      8FQ7.pdf (72118 bytes)
   | 
    | 
      8GN8
     | 
      RCA (HB3)
     | 
      tp
     | 
      8GN8.pdf (14804 bytes)
   | 
    | 
      8GN8
     | 
      Tung-Sol
     | 
      tp
     | 
      8GN8.pdf (131940 bytes)
   | 
    | 
      8GN8
     | 
      RCA (RC30)
     | 
      tp
     | 
      6GK5.pdf (508126 bytes)
   | 
    | 
      8GU7
     | 
      RCA (HB3)
     | 
      tt
     | 
      8FQ7.pdf (72118 bytes)
   | 
    | 
      8GU7
     | 
      RCA (RC30)
     | 
      tt
     | 
      6GK5.pdf (508126 bytes)
   | 
    | 
      8GX7
     | 
      RMA/EIA
     | 
      tp
     | 
      4GX7.pdf (138229 bytes)
   | 
    | 
      8HA6
     | 
      RMA/EIA
     | 
      P
     | 
      6HA6.pdf (130987 bytes)
   | 
    | 
      8HG8
     | 
      Sylvania
     | 
      tp
     | 
      6HG8.pdf (131935 bytes)
   | 
    | 
      8HP4
     | 
      RCA (HB3)
     | 
      CRB
     | 
      8HP4.pdf (149401 bytes)
   | 
    | 
      8JE8
     | 
      Sylvania
     | 
      tP
     | 
      6JE8.pdf (84341 bytes)
   | 
    | 
      8JK8
     | 
      Sylvania
     | 
      tt
     | 
      6JK8.pdf (118027 bytes)
   | 
    | 
      8JL8
     | 
      Raytheon
     | 
       
     | 
      6JL8.pdf (98612 bytes)
   | 
    | 
      8JP4
     | 
      ThomasElectronics
     | 
       
     | 
      8JP4.pdf (95583 bytes)
   | 
    | 
      8JU8A
     | 
      RCA (HB3)
     | 
      dddd
     | 
      8FQ7.pdf (72118 bytes)
   | 
    | 
      8JU8A
     | 
      RCA (RC30)
     | 
      dddd
     | 
      6JU8A.pdf (328029 bytes)
   | 
    | 
      8JV8
     | 
      RCA (HB3)
     | 
      tp
     | 
      8FQ7.pdf (72118 bytes)
   | 
    | 
      8JV8
     | 
      Tung-Sol
     | 
      tp
     | 
      8JV8.pdf (170356 bytes)
   | 
    | 
      8JV8
     | 
      RCA (RC30)
     | 
      tp
     | 
      6JU8A.pdf (328029 bytes)
   | 
    | 
      8KA8
     | 
      RCA (HB3)
     | 
      tp
     | 
      8FQ7.pdf (72118 bytes)
   | 
    | 
      8KA8
     | 
      Sylvania
     | 
      tp
     | 
      6KA8.pdf (135911 bytes)
   | 
    | 
      8KA8
     | 
      RCA (RC30)
     | 
      tp
     | 
      6KA8.pdf (1162104 bytes)
   | 
    | 
      8KP4
     | 
      Sylvania
     | 
      CRM
     | 
      8KP4.pdf (192058 bytes)
   | 
    | 
      8KR8
     | 
      Sylvania
     | 
       
     | 
      8KR8.pdf (119830 bytes)
   | 
    | 
      8KS8
     | 
      Sylvania
     | 
       
     | 
      6KS8.pdf (102484 bytes)
   | 
    | 
      8LC8
     | 
      RCA (HB3)
     | 
      tp
     | 
      8FQ7.pdf (72118 bytes)
   | 
    | 
      8LC8
     | 
      RCA (RC30)
     | 
      tp
     | 
      6LC8.pdf (728202 bytes)
   | 
    | 
      8LC8
     | 
      RCA
     | 
      tp
     | 
      6LC8.pdf (220964 bytes)
   | 
    
      8LM3V 8  3 
     | 
      Soviet
     | 
      CRB
     | 
      8LM3V.pdf (852716 bytes)
   | 
    
      8LO29I 8  29 
     | 
      Soviet
     | 
      CRO
     | 
      8LO29I.pdf (295655 bytes)
   | 
    
      8LO39V 8  39 
     | 
      Soviet
     | 
      CRO
     | 
      8LO39V.pdf (2192822 bytes) (ru)
   | 
    | 
      8LP4
     | 
      Sylvania
     | 
      CRB
     | 
      8LP4.pdf (208011 bytes)
   | 
    | 
      8LT8
     | 
      RCA (RC30)
     | 
      ddp
     | 
      6LC8.pdf (728202 bytes)
   | 
    | 
      8LT8
     | 
      RMA/EIA
     | 
      ddp
     | 
      8LT8.pdf (231684 bytes)
   | 
    | 
      8MP18
     | 
      Dumont
     | 
       
     | 
      8MP4.pdf (100493 bytes)
   | 
    | 
      8MP4
     | 
      Dumont
     | 
       
     | 
      8MP4.pdf (100493 bytes)
   | 
    | 
      8NP4
     | 
      RCA
     | 
       
     | 
      8NP4.pdf (160575 bytes)
   | 
    | 
      8QP4
     | 
      RCA (HB3)
     | 
      CRM
     | 
      8QP4.pdf (77011 bytes)
   | 
    | 
      8QP4
     | 
      Sylvania
     | 
      CRM
     | 
      8QP4.pdf (226474 bytes)
   | 
    | 
      8RP4
     | 
      GE
     | 
       
     | 
      8RP4.pdf (112967 bytes)
   | 
    | 
      8SA1
     | 
      Mazda
     | 
      CRO
     | 
      8SA1.pdf (96543 bytes) (fr)
   | 
    | 
      8SA2
     | 
      Mazda
     | 
      CRO
     | 
      8SA1.pdf (96543 bytes) (fr)
   | 
    | 
      8SA4
     | 
      Mazda
     | 
      CRO
     | 
      8SA1.pdf (96543 bytes) (fr)
   | 
    | 
      8SA5
     | 
      Mazda
     | 
      CRO
     | 
      8SA1.pdf (96543 bytes) (fr)
   | 
    | 
      8SN7GTB
     | 
      Sylvania
     | 
      tt
     | 
      6SN7GTA.pdf (397641 bytes)
   | 
    | 
      8SP7
     | 
      GE
     | 
       
     | 
      8SP7.pdf (165241 bytes)
   | 
    | 
      8T39
     | 
      NEC
     | 
      T~
     | 
      8T39.pdf (480414 bytes)
   | 
    | 
      8XP4
     | 
      RCA (HB3)
     | 
      CRT
     | 
      8XP4.pdf (71378 bytes)
   | 
    
      8XP4  
     | 
      Sylvania
     | 
      CRT
     | 
      8XP4.pdf (154662 bytes)
   | 
    
      8XP4  
     | 
      Sylvania
     | 
      CRT
     | 
      8XP4.pdf (162029 bytes)
   | 
    | 
      8YP4
     | 
      RCA (HB3)
     | 
      CRT
     | 
      8YP4.pdf (68867 bytes)
   | 
    | 
      8YP4
     | 
      Sylvania
     | 
      CRT
     | 
      8YP4.pdf (154941 bytes)
   |