November 13th, 2011 WorkshopNovember 15, 2011Inside the glory holeBy Minna Koistinen Previous Furnace with molten glass inside at 2025°F (blowing temperature) Next Minna Koistinen leading a workshop at Playing With Fire Related Posts Making a tree ornament by trailing glass on a graphite sheet November 15, 2011 Paperweight beginning to cool November 15, 2011 Molten glass from furnace on the right (over 2000 deg) and Glory Hole at left November 15, 2011 Shaping a paperweight with wooden paddle November 15, 2011