: organ internal operation.
: cylinder equipped with a whistle or a reed.
: pierced board that maintains the pipes vertically.
: pierced wooden piece that receives the pipes base
to prevent the air from escaping.
: allows to choose the pipes row and the notes to be heard.
: spring that allows to open or close a valve.
: pipes that brings the air towards the slider.
: mechanism allowing to operate the slider.
: mobile rod linking the key to the valve.
: part of the keyboard that is pressed to produce a note.
: trap that is operated to get a note. There is a valve
for each note for each keyboard.
: guides between which the slider is slided.
EN : Bells
FR : Cloche
ES : Campana
is a simple sound-making device. The bell is a percussion instrument and
an idiophone. Its form is usually an open-ended hollow drum which resonates
upon being struck. The striking implement can be a tongue suspended within
the bell, known as a clapper, a small, free sphere enclosed within the
body of the bell, or a separate mallet. Bells are usually made of cast
metal, but small bells can also be made from ceramic or glass. Bells can
be of all sizes: from tiny dress accessories to church bells weighing