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<p>[QUOTE=&quot;springfld.arsenal, post: 320987, member: 54&quot;]Didn’t get a number from engineer guy so I calculated the volume of the whole item, subtracted volume of the bore, multiplied by specific gravity of steel, converted to Libras, and got 1.92 lbs. for the weight of the barrel.&nbsp; The “nine-tenths” part agrees with the number I got but I have no idea how the first D would equate to 1.&nbsp; Math error, or some forgotten practice in 18th C. Spain?[/QUOTE]</p><p><br /></p>

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