Acid etching is a very old process dating to the third millennium B.C. in India. The Hohokam of AZ used citus juices to etch seashells.
The process of etching barrels likely started where pattern welded barrels began; Anatolia - Bulgaria and Asia Minor

c. 1700 Turkish musket (miquelet) with acid etched 2 Iron crolle at the breech



and acid etched twist toward the muzzle


Last edited by Drew Hause; 12/01/12 09:19 PM.
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