Show I RADIO TELEPHONE IS GIVEN DEMONSTRATION Washington Jan 16 Use tsE Use of the ra radio radio rag ra- dio dlo telephone for or way two-way conversation between a person using a l lino line telephone telephone telephone tele tele- phone and an aviator was a officially demonstrated for or tho tha first time today todar when Major l General Henley Kenley director of military military- seated before a desk telephone In his office In the war department and Lieutenant Lucas In iii an airplane flying over Bolling Boiling field on tho the outskirts of the tho city talked with each cach other Tie The radio telephone tel tel- phone ephone for way one conversation Con Inthe in lit inthe the giving i of or orders has b been en used b by bythe bytho tho the arm army and nn navy to t ome some extent for fol more than a a. year oar Involved ohe l Tho The demonstration today tho the use uso of or a land ll lino from the war do- do de department I do-I to Bolling Boiling field riehl where the radio system was Installed Tho apparatus apparatus ap ap- and circuits used were de designed designed designed de- de signed and Installed b by members of or the 1 adlo branch of the air service under supervision of or Col C C. C C. Culver By Byuse Byuse use LIse of ot tho land line officials said bald It would by hr a a. mere matter of or detail for tor fora tort a t person In an nil office in Washington ton to talk talle with an aviator flying flyIng- over oyer San an Francisco |