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RCA 21CT55 B8802897 is Alive!
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09-23-2009, 08:29 PM
old_tv_nut
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Join Date: Jul 2004
Location: Rancho Sahuarita
Posts: 7,206
A web search shows there were a number of papers written on techniques of constructing grids to suppress unwanted emission,which could come from evaporation of cathode material onto the grid.
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