Originally Posted By: revdocdrew
The Birmingham Proof House Test of 1891

As published in The Field, and reproduced in Double Gun Classics http://www.doublegunclassics.com/alt/DGCJanFeb06.pdf

The strongest of 39 barrel steels tested were:

1. English machine forged 3 rod Laminated steel

9. English machine forged 2 rod Laminated steel




How do you tell the differnce between #1 and #9 Laminated Steel ?