A Gigantic Valve
J[SSTALLED at the transmitting station at Schenectady, New York, is the biggest valve in existence, This monster weighs about 1001b., and stands well ovei 7 feet high. It was constructed by the General Electric Company in their experimentS with wireless transmission. A ten horse-power ‘supply is necessary te light the filgment, so it will not be coming into universal use just yet.
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https://paperspast.natlib.govt.nz/periodicals/RADREC19291101.2.22
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Radio Record, Volume III, Issue 16, 1 November 1929, Page 7
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65A Gigantic Valve Radio Record, Volume III, Issue 16, 1 November 1929, Page 7
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