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MULLARD  '0.20' TRIODE, 1921

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MULLARD '0.20' TRIODE, 1921

Mullard '0.20' Triode of 1921. Transmitting triode with an Anode dissipation of 20 Watts.

Maker known then as the Mullard Wireless Service Company Ltd

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