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Show Automatic Radio Will Guide Airplanes Washington An Ingenious combination combin-ation of the radio, a dial xlmilar to that on en automatic telephones and a small call board, hna ben hit upon by an army signal corps officer to facilitate facili-tate communication from the ground to airplanes by supplementing tele if-rnphy if-rnphy with a visual sigmil nynt.-m. Tlio officer In Captain pan! s. Ed-wardn, Ed-wardn, cnmmaridlni( tin nign.-il corps Irrrafl radio laboratory at McCook field, Dayton, Ohio, a report on whoso experiment w;u made public by tin war d':i.ntr.if:rit. Captain KdwardH h-;i produc I tli'i np.'ii'utij'j by mod if ins; tin li-a.-;i nlgnnl, which, by mean nt Mr ,r-o t'Jrapli codo, kecpa aviatortr coiv.'anlly aware of 111' Ir r-oiirf.'i. It Makes posnildo tlio mj-e.hanlcal mj-e.hanlcal sending end rocolvlnj f pro-arran;: pro-arran;: 'J visual radio li;nai constat-Lug constat-Lug of numhera. j |