Show valuable discovery in tuning church B bells ells A church bell made from the finest bell metal may gle forth a harsh unpleasant sant sound dm to the tact fact that it 11 Is out of tune with itself the stroke of a single bell sounds to us like one note and until very recently even the most expert bell makers have not realized that the sound Is really made up of ore separate notes the five notes must be in tune with one another in order that the hell bell may give forth a harmonious sound what we then hear la Is a combination of what Is ig known as the strike note the nominal which la Is an above the strike note the hum I 1 which Is an octave helow below and the third and fifth I 1 this recent discovery regarding the harmonies harmonics of bells has made possible the new art of bell tuning a revival of what for two centuries wits was considered a lost art the large bells are inverted on a huge turntable and revolved while the metal Is pared uway awa from the inside until it Is correctly correct lj shaped to produce the harmonious harmon loin tones kansas city stars science service |