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GB625839A
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Improvements in and relating to extendible supporting poles
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GB588905A
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Improvements in and relating to prefabricated buildings
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GB503253A
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An improved method of and means for the supporting of the ground in trenches and excavations especially those for the foundations of buildings
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US2185860A
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Shuttering device for the building of ferroconcrete structures
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GB468141A
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Improvements in shuttering devices for the building of ferro concrete structures
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GB467994A
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Improvements in and relating to the construction of ferro concrete floors and roofs or the like
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GB449579A
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An improved method for the construction of tunnels
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GB454630A
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Improvements in means for lining tunnels, culverts, shafts and the like
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GB454631A
|
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Improved means for lining tunnels, culverts, shafts and the like
|
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GB443158A
|
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An improved method of and means for the lining of tunnels, and the like
|
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GB426338A
|
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An improved method of and means for shuttering for the construction of concrete walls and the like
|
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GB409126A
|
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Improvements in and relating to the withdrawal of sheet piles
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US1979896A
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Method of lining tunnels, shafts, or the like
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US1969810A
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Tunnel lining
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US1969811A
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Method of and means for building and reenforcing the walls of tunnels, shafts, and the like
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GB397866A
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An improved method of and means for cement grouting in the segmental elements of tunnels and like structures
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GB386789A
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Improvements in moulds for the manufacture of pipe segments of concrete or other equivalent material
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GB387488A
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Improvements in centring devices for supporting segmental elements in the construction of tunnels and the like
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