Jim: barrels 2-6 are Twist, and much cheaper than (quality) damascus
Cost and strength are not clearly related
From the 1891
Birmingham Proof House TrialThe strongest barrels were: COST
1. English machine forged 3 rod Laminated steel 29s
2. English fluid compressed steel, Whitworth process (fluid steel) 90s
3. English machine forged 2 rod Best Damascus 25s
4. English steel Siemens - Martin process (fluid steel) 24s
5. English hand forged 4 rod Best Damascus 35s
6. English machine forged 2 rod variegated Damascus 25s
7. English machine forged 3 rod Best Damascus 29s
8. English carburised steel, Darby’s method 24s
9. English machine forged 2 rod Laminated steel 24s
10. English “Superior Barrel Steel” 45s
11. English machine forged chequered 3 rod Damascus 29s
12. Foreign steel, Siemens – Martin process 24s
13. English steel, hematite process, from pig and scrap 24s
16. English machine forged
skelp twist 12sWe have good evidence that both Twist and Laminated steel were produced in this country; it is extremely unlikely that Crolle damascus ever was.