The profits of manufacturers were enormous; but this only whetted the appetite that it should have satisfied, and therefore the manufacturers had recourse to an expedient that seemed to secure to them those profits without any possibility of limit; they began the practice of what is termed night working, that is, having tired one set of hands, by working them throughout the day, they had another set ready to go on working throughout the night; the day set getting into the beds that the night set had just quilted, and in their turn again, the night set getting into the beds that the day set quilted in the morning.