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The company also rebuilt the wind chest, which sends air through the pipes.

He took organ lessons and, when he was in high school, he learned to make repairs, replacing the dried-out leather lining deep inside in the organ’s wind chest.

Wind′-chart, a chart showing the direction of the wind; Wind′-chest, the box or reservoir that supplies compressed air to the pipes or reeds of an organ; Wind′-drop′sy, tympanites; Wind′-egg, an addle-egg, one soft-shelled or imperfectly formed; Wīnd′er, one who sounds a horn: one who, or that which, winds or rolls; Wind′fall, fruit blown off a tree by the wind: any unexpected money or other advantage.—adj.

In the case, however, of the ordinary organ-pipe, we do not depend merely upon a store of compressed air put into the pipe, but we have a store of energy to draw upon in the form of the large amount of compressed air contained in a wind chest, which is being continually supplied by the bellows.

In this arrangement the condenser corresponds to the wind chest, and it is continually kept full of electrical energy by means of the induction coil or transformer, which answers to the bellows of the organ.