Transmitting: MULLARD '0.20' TRIODE, 1921
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
©2007 The Museum of Technology, The Great War and WWII
Company registered in England No. 7452160, Registered Charity No.
1140352, Accredited Museum No. 2221