 TD 34280 and 35624) : (1) From the ascertained assay deduct 8 units for sulphide and 6 units for nonsulphide ores. The remainder will represent percentage of recoverable zinc in the ore, which multiplied by 2,000 will give the number of pounds of zinc...  Information Concerning Zinc Ore - Página 41por United States Tariff Commission, United States. Congress. House. Committee on Ways and Means - 1919 - 46 páginasVista completa - Acerca de este libro
 | Eugene Franz Roeber, Howard Coon Parmelee - 1919 - 818 páginas
...ore. (2) Multiply the result as above ascertained by the average price of prime Western spelter at East St. Louis for the week in which the ore was exported...mine to the domestic smelter receiving same in the US (b) The insurance actually paid. (c) The actual shipping charges. (d) Foreign export duties and... | |
 | United States. Congress. Senate. Committee on Finance - 1919 - 42 páginas
...ore, which multiplied by 2,000 will give the number of pounds of zinc recoverable from a ton of ore. (3) Deduct from the gross value of the zinc in the...the foreign mine to the domestic smelter receiving the same in the United States, (ft) The insurance actually paid. (<•) The actual shipping charges.... | |
 | United States Tariff Commission - 1921 - 692 páginas
...Government to remain in effect for two years after the end of the vrar. Appraisement of zinc ores. — The duties on zinc in zinc-bearing ores can not be...domestic smelter receiving same in the United States. (b) The insurance actually paid. (c) The actual shipping charges. (rfi Foreign export duties and charges,... | |
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