For two more years he went on experimenting without any satisfactory result, he was reduced to poverty again. But he resolved to make a last great effort.
He proceeded to build the furnace with his own hands, carrying the bricks from the brick-field upon his back. He was bricklayer, laborer, and all. At last the furnace was built and ready for use. He had been for some time accumulating a great store of fuel for the final effort: and he thought it was enough. At last the operation proceeded.