 ... value of the recoverable spelter in a ton of 2,000 pounds medium grade Joplin sulphide ore, 60 per cent base, deduct the average of the quoted prices for such ore and $1.50 per ton of 2,000 pounds as representing the average freight on Joplin ores...  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
...representing the average freight on Joplin ores from Joplin, Mo., to common Kansas smelting points. (ft) For non-sulphide ores the treatment charge will be...From the value of the recoverable spelter in a ton of 2000 Ib. of 40 per cent calamine ore deduct the average of the quoted prices for such ore and $1.50... | |
 | United States. Congress. Senate. Committee on Finance - 1919 - 42 páginas
...Joplin, Mo., to common Kansas smelting points. (6) For nousulphide ores the treatment charge will l:e ascertained as follows: From the value of the recoverable spelter in a ton of 2.000 pounds of 40 per cent calamine ore deduct the average of the quoted prices lor such ore and $1.50... | |
 | United States Tariff Commission - 1921 - 692 páginas
...paragraph 5. Duty on lead contents, if any. (h} Duty on zinc. (4) Treatment charge. — (a) For sulphide ores the treatment charge will be ascertained as follows:...of the recoverable spelter in a ton of 2,000 pounds medium grade Joplin sulphide ore, 60 per cent base, deduct the average of the quoted prices for such... | |
| |
