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ID = 8314
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  Half-Wave Vacuum Rectifier   Power-supply 
  <1925 rare.
Identical to UX216B = CF516B = GSX-216B = MX216B = 216B = PR216B = CX316B = DC216B
Similar Tubes
Normally replaceable-slightly different:
Other base:
First year Sep.1925 Saga of the Vacuumtube, Tyne page 323.
Predecessor Tubes UV216B  

Base UX-Base (4 Pins (2 thick, USA 1924, UX) (Codex=Bo)
Was used by Radio/TV-reception etc.
Filament Vf 7.5 Volts / If 1.25 Ampere / Direct
Literature Taschenbuch zum Röhren-Codex 1948/49   
  UX216B: Radio College of Canada Rogers 6
Götz Linss
UX216B: Sammlung
Anonymous 557 Collector

UX216B: own collection
Peter den Boer

UX216B: own collection
Peter den Boer

Usage in Models 3= 1925 ; 1= 1926?? ; 10= 1926 ; 6= 1927

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):20

Collection of a member from D

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