DOUBLE GRID VALVES
Hugo Gernsback, editor of the New York ‘Radio News," comments:--~ "While Europe has been generally conceded to be behind American radio progress, it is, nevertheless, a rather singulur fact that one vast improvement in radio, the double grid valve, is not only not produced in this countrv, but is hardly known here There is no denying the fact that the double grid valve is a great improvement over tle American single grid valve This valve is in great demand, «nd is very popular in Europe, vet in America the only few samples that are in existence are all imported Whw there should be such a situation has alwivs been & cause of wonderment, and we hope it } will be rectified speedily."
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https://paperspast.natlib.govt.nz/periodicals/RADREC19270902.2.56
Bibliographic details
Radio Record, Volume I, Issue 7, 2 September 1927, Page 15
Word Count
123DOUBLE GRID VALVES Radio Record, Volume I, Issue 7, 2 September 1927, Page 15
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