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| This photograph shows Joseph A. Chambers, Technical Supervisor of the Crosley Radio Stations, WLW, WSAI and W8XAL, placing in position one of the twenty great 100,000-watt water-cooled tubes used in the WLW 500,000 watt transmitter. |
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| This photograph shows Joseph A. Chambers, Technical Supervisor of the Crosley Radio Stations, WLW, WSAI and W8XAL, placing in position one of the twenty great 100,000-watt water-cooled tubes used in the WLW 500,000 watt transmitter. |
