American Indian tinkling cones. By the sixteenth century, American Indian of the Northeast had acquired a wealth of knowledge for working European sheet metals which was no doubt combined with experience in indigenous copper before contact.
Even the tiniest pieces and scraps of copper and brass were recycled. American Indian of mastered techniques of cutting, drilling, etching, forming, joining, and decorating indigenous and European sheet metal. Because of the skill required to make many of the rolled and riveted items, and because of the similarity between items made by both coastal and interior groups of Indians, there may have been Indians metal work specialists who traded their products inland (Wray et. al. 1987).