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Theory of the grid glow tube. Diagram Au: Knowles, D.D.
Publication: Purdue Engineer
Subject: Vaccum Tubes
Date: 10/1931
v. 27, no. 1 p. 13
Publication: Purdue Engineer
Subject: Vaccum Tubes
Date: 10/1931
v. 27, no. 1 p. 13
The theory of the grid glow tube. Diageam. Au: Knowles, D.D.
Publication: Purdue Engineer
Subject: Vaccum Tubes
Date: 5/1932
v. 27, no. 8 p. 172
Publication: Purdue Engineer
Subject: Vaccum Tubes
Date: 5/1932
v. 27, no. 8 p. 172
