organ pipe

Of course, an artificial mouthpiece has to be provided for our organ-pipe, but this is called the boot.

The larynx, in the production of sound, may be compared to an organ-pipe.

Not so neither, my organ-pipe squeaks this morning for want of liquoring.

If an open organ pipe be sounded by blowing gently through it, a tone of definite pitch is heard.

Now in the open organ pipe (Fig. 341d), the end of the air column d is a place of great vibration or is an antinode.