More complex patterns of course require more complicated 'stacking' or 'piling' of the billet, as shown by this Washington or American Flag illustration.



The Damascus and Twist barrels of most U.S. gunmakers were finished in a black and white pattern; BLACK BEING THE STEEL AND WHITE, THE IRON AFTER STAINING. In this illustration however, the black 'stars' are iron and after finishing will be silver.


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