Remains of an air heater for a hot blast iron furnace; photographed at Lock Ridge Park, Alburtis, PA, 02 October 2008
with Bronica SQ-A and Zenzanon 80 mm f/2.8 lens on Fuji Acros 100. Printed 10.5 inches square on Ilford MG Warmtown
fiber-based paper; toned in Kodak Brown Toner; hinge mounted behind 10.3 inch square window in 16 x 20 inch frame.