Hydraulic cylinder for gate valve in wash water line, Waterworks Park, Detroit water supply system
Description:
View of hydraulic cylinder for gate valve in wash water line, Waterworks Park, Detroit water supply system. Printed on front: "City of Detroit. Department of Water Supply. Water Works Park. Cont. F.C.-34. Hydraulic cylinder for 24" gate valve in wash water line. Photo no. [blank]. Date: 1-17-36. Photo by Amer. Coml. Photo Co."