...La fig. 10 donne la coupe du comble suivant l'axe longitudinal du chevet. Q est la ferme-maîtresse dont la fig. 9 donne l'élévation; en R sont tous les chevrons de croupe qui viennent buter contre son sommet...

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.
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

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