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| Pipes
- segmental block (2) (Click on thumbnails to enlarge image) |
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| Pipes
- segmental block (2) (Click on thumbnails to enlarge image) |
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The Parmley System of Segmental Pipe Construction
(continued)
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Parmley concrete block machines in factory. Source: Walter C. Parmley, The Parmley System of Arch Construction: Catalogue E, Segmental Concrete, Plain and Reinforced (New York, NY: Walter C. Parmley, 1927), p. 19. |
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Manufacture of Parmley concrete segments in the open by the gang mold method with poured concrete. Suitable for sewers of large diameter. Source: Walter C. Parmley, The Parmley System of Arch Construction: Catalogue E, Segmental Concrete, Plain and Reinforced (New York, NY: Walter C. Parmley, 1927), p. 20. |
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Manufacture of Parmley segments by the hand-tamped method. Source: Walter C. Parmley, The Parmley System of Arch Construction: Catalogue E, S egmental Concrete, Plain and Reinforced (New York, NY: Walter C. Parmley, 1927), p. 20. |
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Typical interior view of plan for casting Parmley Concrete Segments with the cast process. Source: Walter C. Parmley, The Parmley System of Arch Construction: Catalogue E, Segmental Concrete, Plain and Reinforced (New York, NY: Walter C. Parmley, 1927), p. 21. |
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Inside plant view for Parmley Reinforced Concrete Segmental Sewers. Source: Walter C. Parmley, The Parmley System of Arch Construction: Catalogue E, Segmental Concrete, Plain and Reinforced (New York, NY: Walter C. Parmley, 1927), p. 22. |
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Factory view for Parmley Reinforced Concrete Segmental, Cup-Block type. Source: Walter C. Parmley, The Parmley System of Arch Construction: Catalogue E, Segmental Concrete, Plain and Reinforced (New York, NY: Walter C. Parmley, 1927), p. 23. |
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View of head house for 96" diameter tunnel, Toledo, Ohio. Source: Walter C. Parmley, The Parmley System of Arch Construction: Catalogue E, Segmental Concrete, Plain and Reinforced (New York, NY: Walter C. Parmley, 1927), p. 24. |
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View of manufacturing plant in St. Petersburg, Florida. Source: Walter C. Parmley, The Parmley System of Arch Construction: Catalogue E, Segmental Concrete, Plain and Reinforced (New York, NY: Walter C. Parmley, 1927), p. 25. |
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View of manufacturing plant in Houston, Texas. Source: Walter C. Parmley, The Parmley System of Arch Construction: Catalogue E, Segmental Concrete, Plain and Reinforced (New York, NY: Walter C. Parmley, 1927), p. 26. |
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View of casting plant. Source: Walter C. Parmley, The Parmley System of Arch Construction: Catalogue E, Segmental Concrete, Plain and Reinforced (New York, NY: Walter C. Parmley, 1927), p. 27. |
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