Concept
Vertical drains
Images
Catalogue
- Books
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Specification of William Henry Gummer : stench trap.
Gummer, William Henry.Date: 1866- Pictures
- Online
A section through the roadway of Holborn Viaduct, London: looking east, showing the middle level sewer. Wood engraving after W. Haywood, 1854.
Haywood, William, 1821-1894.Date: 1874Reference: 38495i