Birmingham School of Art roof ironwork
2006. Typical Martin & Chamberlain exposed iron supports for the steep roof of the Birmingham School of Art, England (1893-95).
By Oosoom at en.wikipedia (Transferred from en.wikipedia) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], from Wikimedia Commons
