Boiler economizer, Springwells Station treatment plant during construction, Detroit water supply system
Description:
View of economizer for boiler in the Springwells Station treatment plant during construction, Detroit water supply system. Printed on front: "City of Detroit. Department of Water Supply. Springwells Station. Economizers. Contract P.C. 54. Unit #2 showing gas duct opening to preheaters. No. 2. Date: 8-27-31. Photo by Manning Brothers."
