Also from Principe de Fabrication d'un Canon de Damas and not the best illustration but it does appear that Acier (steel) is black and Fer (iron) white



Masse - Lopin
Baguettes - Rods
Torsion - Twisting the rods
Ruban - Ribband
Enroulement - Wrapping the ribband around the broche/mandril
Forgeage - Hammer welding