Contract No. 85, Manufacture and Delivery of Precast Concrete Steel Cylinder Pipe, Southborough, Framingham, Wayland, Natick, Weston, cracks in 7 foot pipe section developed under 325 lbs./sq. in pressure, 3:15 PM, looking southeast at horizontal axis, Natick, Mass., Aug. 11, 1939

Contract No. 85, Manufacture and Delivery of Precast Concrete Steel Cylinder Pipe, Southborough, Framingham, Wayland, Natick, Weston, cracks in 7 foot pipe section developed under 325 lbs./sq. in pressure, 3:15 PM, looking southeast at horizontal axis, Natick, Mass., Aug. 11, 1939

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