The value of imports (chiefly coal, wheat, scrap-iron and cheese) for 1904 was £1,239,048, and the value of exports (chiefly macaroni and green fruit) £769,100.
The mass, along with certain proportions of water, scrap-iron and mercury, is then placed in barrels, which are made to rotate so that the several ingredients are thoroughly mixed.
It is manufactured by piling pyrites in heaps and exposing to atmospheric oxidation, the ferrous sulphate thus formed being dissolved in water, and the solution run into tanks, where any sulphuric acid which may be formed is decomposed by adding scrap iron.
He buys a load of scrap iron to sell on, but gets conned.
The concentrated copper solution was pumped into a set of tanks into which was put scrap iron from the tin-plate industry.