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We are not selling you
Assure clearest broadcast reception
Tone, yes---and beauty, too
Silvery Waves
The world approves
Radiotrons
Cunningham tubes give clearest reception
Report of specially denatured alcohol received and used on manufacturer's premises of California Perfume Company, Inc., Suffern, N.Y.
Report of specially denatured alcohol received and used on manufacturer's premises of California Perfume Company, Inc., Suffern, N.Y.
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
Damascus for swords
A strange trick of the human ear may be robbing you of half your radio pleasure
Life of Eleuthère Irénée du Pont from Contemporary Correspondence, 1778-1834, Index
Distance, volume, and quality with one tube

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