In the original "Rose Windows" (1979) Tad Mann and I showed some interesting hidden geometric relationships in the Chartres and Paris, Notre Dame roses. Here they are together with some more that Tad has done:-

Tad Mann's website is at:- http://www.atmann.net

Chartres

Chartres, north

Chartres, north

Chartres, south

Chartres, west, 3

Chartres, west

Chartres, west

L

Chartres's north window has been the subject of much analysis - Click here for further analysis.

Laon, Lausanne, Assisi, Amiens, Strasbourg, Paris, Clermont Ferrand

Laon, west

Lausanne

Assissi, San Francesco

Amiens, south

Strasbourg cathedral, west

Paris, north

Clermont Ferrand, south