In the parlour of one of these houses, which was perhaps a thought dirtier than any of its neighbours; which exhibited more bell–handles, children, and porter pots, and caught in all its freshness the first gust of the thick black smoke that poured forth, night and day, from a large brewery hard by; hung a bill, announcing that there was yet one room to let within its walls, though on what story the vacant room could be—regard being had to the outward tokens of many lodgers which the whole front displayed, from the mangle in the kitchen window to the flower–pots on the parapet—it would have been beyond the power of a calculating boy to discover.