The youth's familiar guide to trade and commerce, [electronic resource] : as it is now actually practised by the most eminent merchants. Containing Every Thing necessary to be known for carrying on any Branch of Business with Pleasure and Profit. I. The five fundamental Rules of Arithmetic, and the Principles on which they are founded fully explained. II. The Rule of Three, or Doctrine of Proportion, applied to Trade. III. The Rule of Practice, or short Methods of finding the Value of any Quantity of Goods. IV. The Rule of Fellowship, single and double. V. The Doctrine of Exchange; in which the real and imaginary Monies of the principal trading Places in Europe, the Par of Exchange, and the Course or current Price of Exchange, are considered and explained. VI. The Art of Book-Keeping, according to the Ital. Method. Vii. Various Forms of Acquitances and Promissory Notes. Viii. Bills of Exchange, both inland and foreign, with the Manner of noting and protesting them, when Acceptance or Payment is refused. IX. Bills of Parcels, adapted both to retail and wholesale Dealers. X. Bills on Book-Debts. XI. Bills of Lading and Invoices, from real Business. XII. The Business and Duty of a Factor explained. XIII. The Method of doing Business at the Water-Side, with the Manner of entering Goods at the Custom-House inwards and outwards. XIV. The present State of the British Commerce. XV. The Manner of insuring Ships and Merchandise. XVI. The Nature of mercantile Writing explained and illustrated. XVII. Law Precedents useful in Trade and Commerce. XVIII. Foreign Weights and Measures reduced to English. XIX. Questions, for exercising the Mind in the most useful Parts of Arithmetical Computation. The whole laid down in so plain and familiar a Manner, as to render it easy to be attained by the meanest Capacity. By D. Fenning, Author of the Royal English Dictionary, &c. &c. (published by the King's Authority.).