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Survey of London
… in the late 1830s in connection with asphalt paving and waterproofing. Although using English coal tar rather than …
Survey of London
… and gutters, and it was presumably the use of pitch for waterproofing that prompted the move into tar refining. J. H. … bituminous material called 'lava stone' for paving and waterproofing. 168 'Like many other meritorious inventions of …
City of London Livery Companies Commission. Report