281. Tariff. Comparison of rates of duty in tariff act of 1930 and in tariff act of 1922, statement showing comparative rates of duty and equivalent ad valorem rates in tariff act of 1930 and in tariff act of 1922, based upon imports for consumption during calendar year 1928, arranged according to schedules, paragraphs, and items. Bookmark Corporate/Agency Authors: Tariff Commission Publisher: Tariff Commission Date: 1930 SuDoc number: TC 1.2:T 17/7
282. Whiting or ground chalk and precipitated chalk, reports of Tariff Commission to President of United States, differences in costs of production of whiting or ground chalk and precipitated chalk in United States and in principal competing countries, as ascertained pursuant to provisions of sec. 315 of title 3 of tariff act of 1922. Bookmark Corporate/Agency Authors: Tariff Commission Publisher: Tariff Commission Date: 1930 SuDoc number: TC 1.2:W 58