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Pipe - clay (2) (Click on thumbnails to enlarge image) |
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Pipe - clay (2) (Click on thumbnails to enlarge image) |
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Views of 24-inch adjustable and 6-inch flex-form molds for poured joints in clay pipe sewers, circa 1918. Source: "Making Tight Joints in Vitrified Clay Sewer Lines," Municipal Engineering, Volume LV, No. 1 (June 1918), p. 253. |
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Sewer installation, late 1920s. Source: Mission Clay, Kansas. |
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Clay liner plates. Source: Harold E. Babbitt, Sewerage and Sewage Treatment, 6th edition (New York: John Wiley and Sons, 1949), p. 140. |
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Lowering concrete sewer pipe lined with clay liner plates into trench. Date unknown. Source: National Clay Pipe Institute. |
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Hot pour sealing of sewer pipe joints. Date unknown.
Source: National Clay Pipe Institute. |
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Clay pipe sewer installation. Photographer: H. L. Summerville, San Antonio, Texas. Date unknown. Source: Mission Clay, Kansas. |
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