It consists in attaching to the loop or ventral segment of a vibrating body, e.g.
The tattooed immortal with cocoa skin sat forward, his magic vibrating in the air around him.
Essential are vibrating membranes between the cartilaginous framework, and next, special muscles for regulating the tension.
In 1747 he applied his new calculus to the problem of vibrating chords, the solution of which, as well as the theory of the oscillation of the air and the propagation of sound, had been given but incompletely by the geometricians who preceded him.
This will be followed by an increase of intensity until the lapse of another sixth of a second, when the less rapidly vibrating note will have lost another half-vibration relatively to the other, or one vibration reckoning from the original period of time, and the two component vibrations will again conspire and reproduce a maximum effect.
