[Sawdring]

What did they use copper for back then and I wonder how the copper was found? Was it in ingots or bars? At $2.40 a pound, several tons of the stuff could start to add up fast.

[blam]

"What did they use copper for back then and I wonder how the copper was found? Was it in ingots or bars? At $2.40 a pound, several tons of the stuff could start to add up fast."

Treasure trove found on shipwreck off Africa

"The ship was laden with tons of copper ingots, elephant tusks, gold coins — and cannons to fend off pirates.