Files of Text with links to Illustrations.

Introduction
The Tradition of Sacramental Geometry
The Geometry

The Investigation at Peterborough Cathedral

a)	The Methodology of the Investigation
b)	A Brief Architectural History of Peterborough Cathedral
c)	The Measurement if the Facade
d)	The Geometry of the Thirteenth Century Façade
e)	The Anglo-Norman Building
f)	The Geometry of the Anglo Norman Plan
g)	The Geometry of the Sanctuary Plan
h)	The Geometry of the Western Wall of the Nave
i)	The Fourteenth Century Tower
j)	The Geometry of the New Building Plan

Measure and the Medieval Architect
Conclusions
Select Bibliography
Acknowledgements

Appendices

a)	The distortion of the West Front
b)	The Geometry of the North Transept Plan
c)	The Construction of the Perfect Heptagon