dia. and caliber

From: Everette (194cbteng@pchnet.com)
Date: Mon Dec 09 2002 - 15:02:14 PST


This is description of HMS Hoods main battery - would someone explain in
terms an old country boy can understand what makes a gun a 15 inch, 42
caliber -- it has been my understanding that the 15 inch referred to dia. of
inside bore, am I correct in this understanding?? What does 42 caliber mean

same for 5.5 inch 50 caliber

      Guns:
      8-15 inch. 42 cal.
      12-5.5 inch. 50 cal.

      Thanks

      Everette



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