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GLOSSARY OF COLLYWESTON STONE SLATERS' TERMS
Country Contentments stick
Gauging sticks
How gauging sticks work
  • Clive - setting a log cracked by frost on edge and gently tapping with a special (cliving) hammer, turning to each edge until splitting is completed.
  • Dressing - shaping the clived stone to the largest sized slate obtainable.
  • Heap - a quantity of dressed slates of all sizes on the ground made up of -
  • 7 hundreds (840 slates) plus 13 large ones
  • each hundred is 40 cases (120 slates) and 
  • each case is 3 slates 
  • Log - a lump of stone of no defined size quarried for the purpose of making slates.
  • Parting - a set of slates of the same length. 
  • Pied - a method of storing logs during the summer to prevent drying out.
  • Pit - a mine or quarry for the extraction of stone for slating.
  • Sprocket - the additional piece of rafter fixed to the main rafter to give the tilt at the eaves.
  • Square - one hundred square feet of slating laid on the roof. A "heap" should produce about two squares of slating laid on the roof.
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