OCR Text |
Show SENDING MESSAGES BY EARTH. When the United States wireless operators discovered that messages could be sent and received without the elaborate wires of an aerial antennae, and simply by driving a nail into a tree and attaching a copper line leading to the instruments employed, a great advance was made, but since then the radio men have discovered they can send through earth and water and direct the waves so as to avoid interference. interfer-ence. This new system of communication may be traced to the natives of Central Africa. When General Gordon was killed at Khartoum, the negroes of interior Africa received the news by earth signals before the tragedy was known through the regular channels of communica' tion. This may have been the crude beginning of what is today our earth radio. When these latest developments are brought into general public fUrl use, Ogden and Salt Lake should be connected by a commercialized radio system. |