In 1801 Revere opened America's first copper-rolling mill; he later made copper sheeting for this ship's hull
... Just three 
days later, Hull reported that divers sent down noted that the copper was... [DOC] [TLE] Copper Sheathing - GlobalSecurity.org [PAR] Jul 22, 2011 ... Lead sheathing of Spanish ship hulls continued through the end of the 18th 
Century.