Show PROFESSOR MELVILLE BELL father of the Professor Bell of telephone tele-phone fame and himself a noted inventor says that inventive genius is hereditary in his family His father fa-ther and grandfather possesses it in marked measure thus making to date four generations of inventors He believes that the problem of aerial navigation will be fully solved before long that means will be found for making electricity travel and convey messages at will without with-out wires that a method will be I found of detecting the location of minerals in the earth and that the next century generally will be more fruitful of great invention than the past |