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David Whitehouse and William Gudenrath, narrators ; William Gudenrath, glass artist.
In the second half of the 19th century, many glass firms used experimental techniques to create decorative art glass. In 1878, the Mt. Washington glass company introduced Sicilian glass. As part of their marketing, the company claimed to have used lava, that is, molten rock spewed out by volcanoes, as one of the raw ingredients. Watch as William Gudenrath demonstrates the technique.
Mode of access: internet.