RT3 Officine Marconi              RSAF (ZENITH)                                P410 (TUNGSRAM)                                                     TUNGSRAM diode

      GENOVA

   B406 Philips         E415 Philips           B443 Philips                                B443 Philips           C443 Philips           C453 Philips

               A442 Philips                     E442 Philips  (pentode)                                                          E442S (diode-pentode)

            E424N Philips                                                                  WE27 Philips

     E444 / WE26 Philips                                  E446 / WE23 Philips                               E452T Philips                AF2 Philips

           AK1 Philips                    AK2 Philips                   E443H Philips                  TE.43H (E443H)               E463 Philips 

     AL1 Philips                   AL4 Philips                  ABL1 Philips                     ECH3          EF9              EBL1             WE54

                        505 Philips                             1805 Philips

   AZ1 Telefunken    AZ1 Telefunken   AZ1 Philips      AZ1 Philips          AZ2 Philips           AZ4 TUNGSRAM     PV200/600 TUNGSRAM

     REN804    Telefunken       REN904    Telefunken     RENS1374d                WE13                       WE17                     WE20

               VY2 Telefunken           VCL11 TUNGSRAM                 EM1 Mullard            EM4 Philips             EFM1 Philips ( WE 18 )

          Telefunken RGN1404 (for sale)