They comprised four mills, stocked with spinning • machinery, worked by water-power.
Mr. David Dale's cotton-works at New Lanark, which attracted much attention on account of the system on which they were conducted, were built about the year 1780.  They comprised four mills, stocked with spinning • machinery, worked by water-power.  By the year 1793, Mr. Dale em ployed 1700 persons, of whom nearly half were children under 13 years of age.