U10 Marconi Osram balloon mesh plate full getter rectfiers DW2 1821
Marconi Osram U10 mesh plate £ 300 pair
Description
The U10 is a directly heated full wave rectifier where cathode is internally strapped on one side of filament.
The U10 Marconi Osram shown here have large base, balloon shape with mesh anode! The U10 was used in radio and small audio amplification and was first introduced in 1930.
Both Marconi Osram U10 have been tested 100% emission and in working order.
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