Show Africans Have Own Radio and Telegraph Systems Native Africans In the depths ot of the equatorial forest and Jungle have their own radio and telegraph systems systems systems having fashioned their own o style Instruments known as the a block of ot wood 0 a feet teet long and S 3 feet thick a narrow slut slot put In one side the Interior scooped out making ranking It a great shell On that the native strikes with two hammers each covered with rubber gum striking so that different sounds are produced according to tho the force torce ot of the blow and the point struck and ond the Investigating hl scientist says the the message Is readily heard for tor six miles and If It the broadcasting station Is on I the river bank the sound runs up and down the river for tor a dozen miles and the natives es seldom fall tall to get et the news |