Show I 1 keest FATHER AND SON MAKE DISCOVERY THAT WILL CHANGE arabio USE GROUND after r years of experiments new methods of receiving messages Mess agea has been found no more static Is result remit chicago static the greatest obstacle in radio communication has been overcome by a discovery made by two chicago amateurs it was announced bounce d here it is accomplished by picking up ground waves instead 0 of f waves that pass through the ether according to the discoverers discover ets james D and ray gibson father and son con are the inventors the father was for many years a telegraph operator and his son was an overseas aviator during the world war it was during the war that the son became interested in radio the experiments in radio were carried on by the father and son after the sons return f from rom the war and two y years ears ago they conceived the idea of using ground currents they used various various devices but none worked successfully cess fully then in wrecking one of the contraptions they were startled to discover what they had been searching for the father told his story as follows one afternoon this spring while we were in the throes of disappointment because a certain apparatus which we had great hopes for turned out a failure ray eay said aid to me lets chop the blame thing up in pieces and throw it away im about through with it being in the ame same s frame of mind as he was exactly what w we e did sunday while looking over the debris one of us got a wild idea that we would put it together again and bury it a little deeper that gave us the inkling we had been seeking because to our astonishment even in the makeshift way we had bad formed condensers out of the cable it worked passably fair and ye ive were able to get marquette collert college milwaukee on a three tube set a station we had experienced considerable trouble with when using an outside aerial with this start in the right direction we had bad the na perfect perfected ef in a week and were any station we desired without interference of any sort there was a great deal of static in the atmosphere during this period but we experienced perien ced none of it with this new device to secure perfect radio reception for the ordinary residence all that is required is sixty feet of specially prepared lead sheathed sheathe d wire divided into condensers coddens ers together with two pickups pick ups one attached to the end in the ground and the other in the center fifty foet feet of this wire is buried in the ground to a depth nf eighteen inches to two feet and the remaining ten feet is used fo for r a lead into the set of course anything above the first floor requires just that much more leadin lead in not satisfied with their own experiments mr gibson and hla his son laid it before experts it was tested tor for five months and it was found that the radio waves sent out by broadcasting stations travel through the ground as well as the air these ground waves it was revealed are free from static interference and weather conditions do not affect them once we threw a sub antenna in lake michigan and then hooked onto a set in a building on shore mr gibson said the results bere A ere the same as when the sub antenna was burled in thu tha ground showing that electrical waves sent out by the broadcasting station pass through water as well as through the ground and the air |