THE REDISCOVERY OF ENAMEL 51 his o^yn hands, carrying the bricks from the brick-field upon his back. He was bricklayer, labourer and all. From seven to eight more months passed. At last the furnace was built and ready for use, Palissy had in the meantime fashioned a number of vessels of clay in readi- ness for the laying on of the enamel. After being subjected to a preliminary process of baking, they were covered with the enamel compound, and again placed in the furnace for the grand crucial experiment. Although his means were nearly ex- hausted, Palissy had been for some time ac- cumulating a great store of fuel for the final ef- fort, and he thought it was enough. At last the fire was lit, and the operation proceeded. All day he sat by the furnace, feeding it with fuel* He sat there watching and feeding all through the long night. But the enamel did not melt. The sun rose upon his labours. His wife brought him a portion of the scanty morning meal—for he would not stir from the furnace, into which he continued from time to time to heave more fuel. The second day passed, and still the enamel did not melt. The sun set, and another night passed* The pale, haggard, unshorn, baffled yet not beaten Palissy sat by his furnace eagerly looking for the melting of the enameL A third day and night passed—a fourth, a fifth, and. even a sixth~«yes» for six long days and nights