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Puddled Clay
             
London Canal Museum - home page Enquiry question - how the Bridgewater Canal overcame problems James Brindley - the pioneer Water for the Bridgewater Canal Puddled clay The Canal Duke's Acts Changing attitudes The profitable canal
  In 1762 Brindley demonstrated his technique for keeping the water in the canal to members of Parliament. A mixture of clay and loam (soil) and water was made into a smooth paste. This was used to line the bottom of the canal. This mixture in layers was effectively watertight. Drawing of the structure of a canal bed
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