Methodology for Bernard production is shown here
https://docs.google.com/document/edi...WyXSkTayKKWCXc
A bit about Leopold
https://docs.google.com/document/edi...aDKZiP3FP0fXb0
His daddy, Nicolas Albert Bernard was producing Damascus in Versailles by 1804. Napoleon Bonaparte came home with the superior damascus gun barrels after his 1798-99 expedition against the Mameluks in Egypt and Ottomans in Syria and modern Israel and encouraged production thereof in St. Etienne and Liege.