Show ARTIFICIAL CALL FOR BIRDS' BIRDS Sound Comes From Tube Consisting 1 of of Hollowed Piece of Corncob Corncob- h 11 Handy for fop Hunters 3 What boy has not annoyed his schoolteacher and the girls in the room by the shivery sound made by scratching a slate pencil over a slate A Virginia than man man has taken this simple principle as the basis of an artificial bird call that he has invented a and cI which sounds it is claimed like the cry of a wild turkey A sound tube consisting of a hollowed piece of corn corn- Artificial Bird Call cob has a stylus needle attached to toone toone one end This tapers into a thin blade blad which has a rounded head at the lower end The hunter takes a piece of slate or some similar substance and holds it in the hollow of his hand and against his thigh He lie then draws the round head of the blade across it and the vibrations thus caused issue from the sound tube With his thumb over the open end of th the tube he regulates the sound |