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Ardoises.Rouen. Voici la disposition des ardoises qui enveloppent les poteaux corniers de plusieurs maisons de Rouen Issu du Dictionnaire raisonn de l'architecture franaise du XIee sicle par Eugne ViolletLeDuc ViolletleDuc Roof ViolletleDuc Slate roofs Buildings in Rouen Shingles
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