Show CLAIMS SHADOW CAN SEND LIGHT Engineer Shows That Radio Is Better During Dur- Dur During During ing Nl Night ht CHICAGO CHICAGO Sept Ey lS-Ey 18 Ey The Associated Press Press-An Press An initial practical test A- A AJ A J 3 man Mussel man said clearly supported his opaqueness theory of or light heat radio and electromagnetic wave transmission as opposed to the tho ether theo theory was conducted hero last night at the government airmail field Usual Usual night time reception was registered by a n low frequency re- re re receiving set until it was flooded with light by the powerful field beacon when tho Chicago engi engl- engineer neer pointed out to a II group or of observers that there was a II dimi- dimi dimi diml diminution nution of ot the signals signal's strength The i readings were front from an me meter recently announced od his belief bellet that shadow I is tho the real reat conductor of light radio and other waves wa rather than the generally ether He cited bet bet- tr radio reception n at night as one indication |