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Aisle & Apse Read the building

Features / Walls, arches & windows

Walls, arches & windows

Mullion

An upright bar dividing a window into separate lights.

Where to look
Vertical divisions running up a window; count the lights.
Styles
On the drawings
Not marked on the drawings.

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Cross-section of a vaulted building with a nave, two aisles and flying buttresses. Each label links to its feature. NAVE AISLE AISLE RoofPinnacleFlying buttressButtressAisleRib vaultClerestoryTriforiumArcadePierNave
Cross-sectionFor orientation: Mullion is not drawn here.