Imports and exports. Part I. Imports from 1867 to 1893, inclusive. A compilation of foreign commodities imported and entered for consumption in the United States; showing the quantities, values, rates of duty, amount of duty received, the average cost, and duties reduced to an equivalent ad valorem rate; summaries of the values and duties of the principal class or groups; also, values and duties received and expense at each customs district and port of delivery; with schedules of the articles, quantities, and values admitted free of duty, viz: transfers from bond to manufacturing warehouse, materials used in the construction and equipment of vessels, from Dominion of Canada, etc., from the Hawaiian Islands, salt used in curing fish, and supplies for vessels, during the fiscal years ended June 30, 1867 to 1893, inclusive