Foreign customs tariffs. Return to an order of the honourable the House of Commons, dated 11 February 1870;--for, return "of the lowest and highest rates of import duty levied by the tariff of each country in Europe and of the United States upon some of the principal articles of merchandise, in each of the years 1860 and 1870; showing the per-centage increase or decrease of such duties in the year 1870." [electronic resource].