Tariff statistics. Compilation made by the United States Tariff Commission relative to a number of domestic manufacturing industries as reported in the census of manufactures for 1923, including the value of the products, the cost of materials, and duties paid together with a survey of the percentage which labor cost is of total costs for materials, wages, and salaries, also a letter of explanation by Hon. Cordell Hull. Presented by Mr. Robinson of Arkansas. July 1, (calendar day, July 2), 1926. -- Ordered to be printed

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