Riihimaki Glass [Finnish: Riihimäen Lasi; officially called Osakeyhtiö RiihimÃ… subscribers only
Hyrrä Vase, 1960s, designed by Helena Tynell for Riihimaen Lasi Oy
Bibliography
1. Fiell, Charlotte and Fiell, Peter. Scandinavian Design. Cologne: Taschen, 2002 2. Jackson, Lesley. 20th Century Factory Glass. New York, NY: Rizzoli International Publications, 2001