Contract No. 85, Manufacture and Delivery of Precast Concrete Steel Cylinder Pipe, Southborough, Framingham, Wayland, Natick, Weston, showing hydraulic test stand with cylinder partially on stand, Natick, Mass., Nov. 10, 1939

Contract No. 85, Manufacture and Delivery of Precast Concrete Steel Cylinder Pipe, Southborough, Framingham, Wayland, Natick, Weston, showing hydraulic test stand with cylinder partially on stand, Natick, Mass., Nov. 10, 1939

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