Anton FellingerA radio receiver would be nothing without a transmitter: The patent quarrels were so costly that Kaiser Franz Josef II urged them to cooperate before ruining the companies. So Telefunken, AEG and Siemens&Halske had to share their knowledge.
It is hard to believe that this (now artwork) was made in series. It is a RV27 (Rundfunk Verstärkerröhre 27) made in 1924.
Pictures courtesy „strahlenprofessor“ Graz, Austria
#radio #tubes #transmitter
It is hard to believe that this (now artwork) was made in series. It is a RV27 (Rundfunk Verstärkerröhre 27) made in 1924.
Pictures courtesy „strahlenprofessor“ Graz, Austria
#radio #tubes #transmitter
