Serrated finish on corrugated pipe, Springwells Station treatment plant during construction, Detroit water supply system
Description:
Close-up view serrated finish on corrugated pipe at the Springwells Station treatment plant during construction, Detroit water supply system. Pipe on left is labeled 8"; pipe on right is labeled 10". Printed on front: "7-9-31. Dept. of Water Supply. Spec. PS-109. Photo of serrated fin. on face of 8" & 10" corr. pipe."Stamped on back: "Manning Bros., commercial photographers. 504-505 Lincoln Building. Corner State and Park Sts., Detroit, Mich."
