Title: An introduction to merchandise. Containing a complete system of arithmetic. A system of algebra. Forms and Manner of Transacting Bills of Exchange. Book-Keeping in Various Forms. An Account of the Trade of Great Britain, and the Laws and Practices relating to Sale, Factorage, Insurance, Shipping, &c. The second edition, corrected and revised. By Robert Hamilton, LL. D. Professor of Philosophy in the Marischal College, Aberdeen.