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MICROMESH  PENTODE, PEN B1., 1930's

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MICROMESH PENTODE, PEN B1., 1930's

Standard Telephones and Cables stopped trading their Micromesh range of valves around 1935, This is an indirectly heated Pentode Type PEN B1 output valve, designed for use in battery sets. It has a 2 volt 0.2 amp heater, with a very low HT drain.


Nortel Collection

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A1302



2007 The Museum of Technology, The Great War and WWII
Company registered in England No. 7452160, Registered Charity No. 1140352, Accredited Museum No. 2221