Notebook M p.108 ‘main facade of Church of St Gregorio. No 24 D b. Remarkable for its masonry and colouring; the pieces of red marble exquisitely set: the double key-stone curious and oblique position of the joint at a. Still more the gradual diminution in size of the roses to the apex, gradual indeed it is not’
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[Version 0.05: May 2008]