"Early Day's" Tubes  BBJ Museum

 

Early Philips tubes
 

Audiotron 1917 USA
 
 

                                           .

Unknown                                                                            Metal
 

                                            .

Voltron                                                                               WD 11
 

                                                   

 Amplion                                                                              Neutron
 

                                              

Telefunken RE88                                                             Cunningham C-11
 

                                                

Skovmand & Pedersen                                                               Philips D-I

                                .                            .

                                                                          Unknown                                                Tube Fillament                               Philips type: E
 
 

                              .                         ..
    Loewe: 2HF                                       Loewe: 3NF                                  Loewe: 3NF-BAT'
 
 
 

Telefunken tip parade
 
 

Telefunken Transmitter Tubes
 
 

American Tubes
 
 

..

Telefunken 301 and 201
 
 

 Metal and Mazradia
 
 

Telefunken  EVN 171
 
 

Telefunken RE11
 
 

Myers Tube RAC-3   1922
 
 

...................................

         Philips                                                                      Grammont,  France
 

Oxytron,  Denmark

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