Richard Adolf Zsigmondy
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Richard Adolf Zsigmondy was an Austrian-born chemist. He was known for his research in colloids, for which he was awarded the Nobel Prize in Chemistry in 1925, as well as for co-inventing the slit-ult
Vintage cranberry glass bowl
Göttingen, grave Zsigmondy's
Title page to Zur Erkenntnis der Kolloide. Uber irreversible Hydrosole und Ultramikroskopie (1905)
Cranberry glass
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Cranberry glass or 'Gold Ruby' glass is a red glass made by adding gold salts or colloidal gold to molten glass. Tin, in the form of stannous chloride, is sometimes added in tiny amounts as a reducing
The beaker with lid made from Gold Ruby is attributed to Johann Kunckel.
The Lycurgus Cup, a 4th-century Roman glass cage cup made of a dichroic glass