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

• Box for the Valve
  

A1302