File:Arc.boutant.cathedrale.Auxerre.png

...Le chéneau supérieur rejette ses eaux sur les chaperons de claires-voies surmontant, chargeant et consolidant les arcs-boutants. Ces chaperons sont assez résistants, assez épais, assez bien supportés par la claire-voie, dont les montants sont très-serrés, pour former un véritable étai de pierre opposant sa rigidité à la poussée de la voûte. La fig. 89 donne une vue extérieure de l'un de ces arcs-boutants, fort bien construits et bien abrités par les saillies du chaperon. ...

This image comes from Dictionary of French Architecture from 11th to 16th Century (1856) by Eugène Viollet-le-Duc (1814-1879).

	This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 100 years or fewer. This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.
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