Britain's commercial interest explained and improved [electronic resource] : In a series of dissertations on several important branches of her trade and police: containing a candid enquiry into the secret causes of the present misfortunes of the nation. With a proposals for their remedy. Also the great advantages which would accrue to this kingdom from an union with Ireland. By Malachy Postlethwayt, Esq; author of The universal dictionary of trade and commerce, &c.