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Old 01-21-2011, 09:29 PM
  #8  
greensleeves
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Join Date: Aug 2010
Location: Roswell, NM
Posts: 1,727
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Traditionally the most popular sizes of blocks were 9" and 12" therefore the 9 1/2 or 12 1/2 square up rulers. Now there seems to be a ruler of every size and for every purpose.
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