Boiler feed valves, Springwells Station treatment plant during construction, Detroit water supply system
Description:
View of boiler feed valves, 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. Boiler feed valve nest and copes valve on boiler #1. No. 22. Date: 2-5-32. Photo by Manning Brothers."