It simply needs more iron, more copper wire, and more rapid motion, to give us the 4800 watts of electrical energy we are seeking.
Further south, more copper mines are seen in a bare place, among low hills, all of which have been examined for the ore.
I wish to inform correspondents that I have no more copper ore to exchange.
Some more copper came off the boat, and she was evidently out of trim, as the Magnet went fast to windward of us.
The ormolu of the brassfounder, used extensively by French metal-workers, has more copper and less zinc than brass.
They had a kind of guitar which was called coryapi, which had two or more copper strings.