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Not sure of the exact date, but @ some point the Paris retailers sourced the talented mechanics in Liège, for their wares.

Oddly enough, I believe it was say 1575 when the Paris gunmaker's guild was formed & to be a member one has to make a “rouet” as well as a tube. Then it was to be proofed with a charge of 2 times the weight of the bore. Subsequently, they wanted old fellas, Kids & Drummer Hoff to fire it off so they made a Garden of Gunsmiths that Drummer Hoff fired off on a certain Sunday.


Serbus,

Raimey
rse