...thering. 4, fireplace.8, funnel. 9, flue.12, grate. 10, mantel.13, breast. 11, back.14, damper. The earliest example of a fireplace cited in this work is that of Coninsborough Castle, in England , of the Anglo-Norman period. The mantels are constructed of flat arches. The example is adduced to show the earlier form of chimney, and perhaps the most ancient one in existence, anticipating by...