Relief valve on high pressure soot blower line, Springwells Station, Detroit water supply system
Grab
Description
View of relief valve on high pressure soot blower line, Springwells Station, Detroit water supply system. Printed on front: "City of Detroit. Department of Water Supply. Springwells Station. Eight inch high pressure corrugated steam piping and related work. Contract PC-99. PWA 7361-J. Pittsburgh Piping & Equipment Co., contractors. Relief valve on high pressure soot blower line. No. 5. Date: Nov. 17, 1936. Photo by Manning Bros., Inc."