The Boy Inventors' Radio Telephone by Richard Bonner
page 38 of 210 (18%)
page 38 of 210 (18%)
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"Wait a minute, give it a chance," urged Tom. "By the way, how about
that tuning device, have you tried that yet?" "No, good gracious, my head must be turning into solid ivory from the neck up. I guess that's just what the trouble is." Jack began carefully sliding a small block connected to the instruments up and down the coiled wire which formed the tuning apparatus, and brought the sending and receiving ends into harmony just as if they had been two musical instruments. When the right electric "chord" was struck he should be able to hear, just as in wireless he would be able to catch the message of an instrument whose wave lengths were attuned to his. Suddenly Tom saw his chum and cousin give a start and then a shout. Over the space between the workshop and the small shed a human voice had been borne on electric waves. Sharp and clear as though he had been listening to a "wire" 'phone, Jack caught and recognized his father's voice: "Hul-lo!" CHAPTER VI. THE RADIO TELEPHONE. |
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