Complex sentence: But as the century wore on the scavenger's task was increasingly to supervise the work carried out by those in his charge, the rakers or under-scavengers; by 1615 the town of Manchester was employing nineteen under-scavengers, managed by two scavengers.
Split into simpler sentences: But as the century wore on the scavenger's task was increasingly to supervise the work carried out by those in his charge, the rakers or under-scavengers. By 1615 the town of Manchester was employing nineteen under-scavengers, managed by two scavengers.