Diamond, striped, and dotted window arches decorate the basin and lid of this glass sugar bowl. Most pressed glass from this period was colorless, relying on lacy patterns to produce sparkle, but the Boston & Sandwich Glass Company produced this sugar bowl in electric blue, lime green, and other eye-catching colors, a modern tribute to colorful windows of European cathedrals. While the decoration imitates European stainedglass windows from approximately 1200 CE, the pattern and process are 1820s American inventions. To create the repeating design, hot glass is poured into the mold of a pressed glass machine, which quickly produces multiple identical objects. This innovation led to a massive increase in glass export from the United States in the mid-19th century.