Tariff. Comparison of rates of duty in pending tariff bill of 1929 with the present law, letter transmitting statement showing comparison of rates of duty and equivalent ad valorem rates in tariff act of 1922 with bill (H. R. 2667) to provide revenue, to regulate commerce with foreign countries, to encourage industries of United States, to protect American labor, and for other purposes; presented by Mr. Chindblom.