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Old 10-28-2011, 04:06 PM
  #80  
linmid
Super Member
 
Join Date: Jun 2010
Location: Texas
Posts: 1,388
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I have read that this pen will show its markings again if it gets down to a certain temperature, but I don't remember what that temperature was. FYI to check on.

Oops I should have read previous emails.
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