This key has been developed by glass conservator, Jonathan Cooke, and is used by historians and researchers to designate the glass and may help you to reference images on the website.
Thornhill St Michael and All Angels Ground plan
Detailed reference plans of the medieval windows in the Savile Chapel can be seen below.
Thornhill nII | Thornhill nIII | Thornhill nIV | Thornhill nV
Thornhill nII
Thornhill nIII
Thornhill nIV
Thornhill nV