Goldbeck cells taking pressure readings, Waterworks Park, Detroit water supply system
Grab
Description
View of Goldbeck cells taking pressure readings, Waterworks Park, Detroit water supply system. Printed on front: "City of Detroit. Department of Water Supply. Land tunnel and structures. Contract RC 12. Dravo Contracting Co., contractors. Photo no. 117. Date: 5-23-31. Photo by Manning Brothers." Typed on back: "Taking readings of pressure on Goldbeck cells placed between the concrete lining and the clay in the 11 ft. tunnel at Sta. 0+71."