Windows : a book about stained & painted glass (1909)
Day, Lewis F. (Lewis Foreman), 1845-1910 · London : B. T. Batsford · leaf 139
123 the ironwork, what a change came over the construction of windows in the thirteenth centur}’. The window is no longer ruled off by upright and horizontal bars into square panels into which the design is fitted ; the bars themselves are made to follow the main lines of the design, and to… … Bars in Early Medallion Windows. Bourges (84), may generally be taken to betray either the beginning or the end of the period ; or perhaps it may indicate individual or local conservatism ; at Poitiers they seem to have passed through the early period without ever arriving at sha[)ed bars. The…
Glass painting and staining · Windows
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.