Barovier was an expert glassblower, revived enameling, and also worked with colored glass. The tube was invented by the German physicist and glassblower Heinrich Geissler in 1857. Venezia e Murano as a master glassblower. Magnus worked as an apprentice glassblower in Hyannis before taking part in "American Idol". A person who blows glass is called a "glassblower", "glassmith", or "gaffer". In 1717, Fahrenheit settled in The Hague as a glassblower, making barometers, altimeters, and thermometers. The glassblower would manipulate molten glass while still malleable and create patterns, handles, or flanges. Rogers talks to a glassblower at Elsie Neal's Craft Shop. Rogers visits Jan Zandhuis, a glassblower, who is doing a project for Mrs. Saunders. Among those interviewed is Archimede Seguso, a renowned Venetian glassblower of the twentieth century. Fahrenheit was a skilled glassblower and his alcohol thermometer was the world's first reliable thermometer. The earliest floats, including most Japanese glass fishing floats, were handmade by a glassblower. John Lund's father was a Norwegian immigrant and glassblower in Rochester, New York. A German glassblower invented marble scissors, a device for making marbles, in 1846. Turtle Heart is a wandering glassblower from Quadling Country.