bath stone

from The Collaborative International Dictionary of English v.0.48
Bath \Bath\, n.
   A city in the west of England, resorted to for its hot
   springs, which has given its name to various objects.
   [1913 Webster]

   {Bath brick}, a preparation of calcareous earth, in the form
      of a brick, used for cleaning knives, polished metal, etc.
      

   {Bath chair}, a kind of chair on wheels, as used by invalids
      at Bath. "People walked out, or drove out, or were pushed
      out in their Bath chairs." --Dickens.

   {Bath metal}, an alloy consisting of four and a half ounces
      of zinc and one pound of copper.

   {Bath note}, a folded writing paper, 8 1/2 by 14 inches.

   {Bath stone}, a species of limestone (o["o]lite) found near
      Bath, used for building.
      [1913 Webster]
    

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