An Act for the more effectual Administration of the Office of a Justice of the Peace within the Townships of Manchester and Salford, in the Hundred of Salford, in the County Palatine of Lancaster; and to provide, by Means of a Rate on the said Townships and otherwise, a competent Salary to a Justice of the Peace acting within the said Townships; and to enable the Constables of Manchester and Salford to take Recognizances in certain cases.