Forced air duct, Springwells Station treatment plant during construction, Detroit water supply system
Grab
Description
View of forced air duct for boiler, Springwells Station treatment plant during construction, Detroit water supply system. Printed on front: "City of Detroit. Department of Water Supply. Springwells Station. Power plant piping systems. Contract P.C. 81. Freyn Brothers of Mich. Inc., contractors. 85% magnesia blocks in place on forced air duct, boiler #2. No. 26. Date: 4-15-32. Photo by Manning Brothers."