Air preheater, Springwells Station treatment plant during construction, Detroit water supply system
Description:
View of air preheater in the Springwells Station treatment plant during construction, Detroit water supply system. Printed on front: "City of Detroit. Department of Water Supply. Springwells Station. Pre-heater. Contract P.C. 55. Air preheater. Unit no. 2. No. 1. Date: 8-20-31. Photo by Manning Brothers."