Show 77 Ancient Whistling Jars Among the ruined cities of Peru Pere nearly fifty different kinds of musical Instruments have havo been found Unique among these are many double r whistling Jars or musical water bot bot- r ties Near the top of the first or front Jar which Is usually surmounted surmount surmount- ed ad by a human or animal figure is the opening of the whistle When the Jars have been partly filled and are swung backward and forward a anum number number num num- f ber of ot whistling sounds are produced As As the vessel swings forward and upward upward up up- up ward the water is lowered In the J to first Jar and rises rIses' In the other In Inthe i i the backward motion It rushes back M 1 Into the first forcing the air out i L. L through the whistle |