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Radio Valves

Tungsram R208

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Tungsram Hungary, "Barium Tube" possibly using the Azide process? Early 30's. 2 volt, 150 mA filament, maximum anode voltage 200 V. B4 base. Equivalent to the Mullard PM1A.

© Andy Cowley, 2005-2012     Home

This page last modified by AJC on Monday, 29-Mar-2010