41 SOME FURTHER NOTES ON BURTON ABBEY PLAN. 
It is this question of dates that throws some doubt upon the 
drawing being Hollar’s, but evidently, whoever did the drawing, 
must have either seen the Church, or have been a most clever arche- 
ological and architectural draughtsman, as well as forger. 
Now the aisle roofs at Rochester (Fig. 2) are not vaulted, and the 
triforium arcade opens into the aisle, and not into a triforium proper, 
Fic. 2. 
which was a chamber above the vault of the aisle, and formed by the 
roof over the aisles, and which protected the vault under. 
Hollar’s drawing shows the triforium glazed, and used to light 
the Church, and a flattened roof over the aisle. You will see the 
strong course under the clerestory windows, that would give the 
