Telefunken triode type EVN 7171

Made:: 1917

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Telefunken triode type EVN 7171
Science Museum Group
© The Board of Trustees of the Science Museum

Telefunken triode type EVN 7171, with wire wound filament resistor in (damaged) lined wooden box, 1917

Details

Category:: Electronic Components

Object Number:: 1978-206

type:: triode

credit:: Imperial College of Science & Technology (Dept. of Electrical Engineering)

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Telefunken triode type EVN 7171

Details

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