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 Minna Koistinen leading a workshop at Playing With Fire November 15, 2011 Paperweight beginning to cool November 15, 2011 After creating a core for the paperweight, more glass is added and shaped November 15, 2011 Molten glass from furnace on the right (over 2000 deg) and Glory Hole at left November 15, 2011
