- Back
-
Title: Valve [Go to resource]
Description: Fleming four-electrode valve. British patent 149, 422, 12 May 1919. (see also Fleming "Thermionic Valve). 2 pairs of anodes (nickel) arranged symetrically around filament. Used as a detector. Format: text/html License: http://creativecommons.org/licenses/by-nc-sa/3.0/ Rights holder: University College London Subjects: Electrical engineering
Electronic engineeringSource: UCL Museums Creator: Marconi Osram Identifier: http://www.ucl.ac.uk/museums/objects/LDU... Language: en-GB Format: text/html Go to resource More Like this...
[Edit] - Back