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We are not selling you
Assure clearest broadcast reception
There's quality in everything
Put in the best!
Tone, yes---and beauty, too
For distance---the tube is important
The world approves
Radiotrons
Cunningham tubes give clearest reception
When this young inventor saw the gas jet flicker...
Radio tubes for every make of receiving set
My friends all tell me that my Manhattan is the best
It has revolutionized radio reception
Power--for home concerts
A strange trick of the human ear may be robbing you of half your radio pleasure
Distance, volume, and quality with one tube

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