Lewis F. Day, Windows: A Book About Stained & Painted Glass
“ In draperies, backgrounds, and so on, this is most effectively done in the form of a diaper, often as minute as damascening, which scarcely counts much as pattern. Bold or delicate, a diaper is quite the most effective means of lowering colour; even hard lines seldom appear hard in glass, owing to the spreading of the light as it comes through ”
