The provision of glass of appropriate colour and richness was central to many of his decorative themes, and he invested effort in working with the best cartoonists and manufacturers to achieve this.
適当な色と豊かさのガラスを用意することが、その装飾テーマの多くで中心となり、これを達成するために最良の絵描きや製造者と働くことに努力を費やした。