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organ [4]click to hear

Wind instrument with several keyboards; it produces sound by means of pipes that are fed by a blower.
organ [4] mechanism of the organ rackboard upperboard rackboard support slider bearer bottomboard wind supply wind trunk pallet spring stop rod stop knob tracker roller board and arms key manual air sealing gland pallet wind chest table pipe

mechanism of the organ click to hear

All the parts between the manual keys and the pipes; in combination, they cause the organ to function.

rackboard click to hear

Board with holes into which the pipes fit to hold them in an upright position.

upperboard click to hear

Board with holes that correspond to those of the sliders and the wind chest table; the feet of the pipes sit in these holes.

rackboard support click to hear

Base on which the rackboard rests.

slider click to hear

Movable wooden board with holes matching those of the upperboard, making it possible to sound a specific row of pipes.

bearer click to hear

Each of the fixed boards between which the sliders move; their function is to guide the sliders.

bottomboard click to hear

Pressurized air chamber located in the lower part of the wind chest.

wind supply click to hear

Passage of air from the bellow to the pipe.

wind trunk click to hear

Conduit that air from the bellow passes through on its way to the bottomboard.

pallet spring click to hear

Spring that brings the pallet back into the closed position.

stop rod click to hear

Part controlled by the stop knob; its function is to move a slider.

stop knob click to hear

Device attached to a stop rod that controls the slider, which allows a row of pipes to sound or remain silent.

tracker click to hear

Strip of wood that is pulled by a key to control an arm.

roller board and arms click to hear

Group of trackers and rollers connecting the keys of a manual to the corresponding pallets.

key click to hear

Lever pressed by the fingers that, through various mechanisms, lowers a pallet.

manual click to hear

Series of keys the organist plays by hand; they control a specific group of pipes.

air sealing gland click to hear

Small sac of flexible skin that makes the bottomboard airtight around the rod controlling the pallet.

pallet click to hear

Movable piece of wood controlled by a key; when the key is lowered, air enters a passage connecting all the pipes of the same note.

wind chest table click to hear

Piece of wood with holes into which the sliders slide.

pipe click to hear

Tube in which sound is produced by a vibrating shallot (reed pipe) or by air friction in an aperture (flue pipe).