Show Automatic Radio Will Guide Airplanes Airplane s Washington An An Ingenious atton atlon of tho the radio a dial similar r t to that on nu au automatic telephone and arid a small call board b bas bis s been hit upon b ban by ay y an orIU army signal corps officer to facil tate late communication from the tho ground to airplanes by supplementing telex raphy rl with a II visual signal sy system tem The officer is 19 Captain Paul S 8 S. Edwards Ed Ed- wards commanding tho the signal corps aircraft radio laboratory at McCook field Dayton Ohio a whose e exp experiments was made public bh by the war department Captain Edward ha lias produced pl tho the ar by modifying the tho beam boam signal which by mean of ot Morse 1 telegraph code roJe keeps keep aviators constantly aware of their r course COline It U makes possible the mechanical me o sending and receiving of pro pro- arranged visual radio signals consist lug ing of numbers |