A radio valve force enongh to hold a tall man now operates in the transinitier of WJZ, New York. It is seven and ene half feet high, weighs 100 pounds, and has a powrr vf 109,000 watis.
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https://paperspast.natlib.govt.nz/periodicals/RADREC19271202.2.4
Bibliographic details
Radio Record, Volume I, Issue 20, 2 December 1927, Page 2
Word Count
37Untitled Radio Record, Volume I, Issue 20, 2 December 1927, Page 2
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