(DISPLAY TUBE) 216A Western Electric used 1920's - filament lights up - tube is gassy
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1 DISPLAY TUBE) 216A Western Electric Tennis Ball used 1920's
filament light up
tube is gassy - glows blue/purple
General Information
- 5-6V Filament @ 1A
- Internal structure similar to VT-2
- 101D can be used as a replacement but with shorter lifespan
- 216A was used in No.10A Loud Speaking Telephone Outfit containing the
- 7A amplifier & 518W receiver
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