Notebook M p.139 ‘House at Murano p 53 l Goth book. Tracery of larger right hand window. A tracery bar and cusps B archivolt the rest explains itself only note the archaic and ugly setting of cusp: and the entire and long coincidence of foils with smaller roll. The cavetto in tracery bar should perhaps be a little deeper and the cusp a little wider, to give thickness to the bar. The circle in middle of 4 foil carries a shield it projects a little above the cusps being held as opposite fig 1’
[Version 0.05: May 2008]