Museum of Technology, The History of Gadgets and Gizmos

Home: Receiving: S215 MOV VALVE, 1928

S215 MOV VALVE, 1928

The Marconi Osram Valve Company developed the S215 in 1928.
It was a 2 volt filament screened RF Tetrode, and was the upright version of the S625 See Item A0632.

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A0634

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