Notes

FROM CARD: "A TAPERING CYLINDER OF PINE, DIVIDED LONGITUDINALLY IN HALVES, EACH HALF IS EXCAVATED FROM THE OPEN SMALL END OF WITHIN HALF INCH OF LARGE END, AND THE HALVES LASHED TOGETHER. AT THE SMALL END IN MIDDLE WITH LEATHER THONGS, BLOWING IN SMALL END CAUSES THE PART BELOW THE LASHING AT THE MIDDLE TO VIBRATE, ALLOWING THE WIN TO ESCAPE IN PUFFS OR WAVES, THUS PRODUCING A SOUND. THE THONGS HAVE BEEN GLUED AND CUT, THE HALVES SPREAD OPEN TO SHOW INSIDE CONSTRUCTION. ILLUS. IN PROCEEDINGS, USNM, VOL. 60; ART. 9., HOUGH HIST. OF INVENTIONS?"