53 



Average standard, 97/. 17s. Average produce, 13|. Average price per cwt. 

 11/. 4s. 6c?. Fine copper, 5,906 tons 9cwt. 2qrs. 251bs. Amount of money, 

 481,323/. 3«. Copper ore, 42,931, 2IcTvt. The amount of copper ore thus sold 

 in Cornwall and Swansea, for the year ending as above, would amount to 188,619 

 tons, (of 21cwt. each,) estimates to contain 17,433 tons of fine copper, and sold 

 for 1,339,102/. 14.?. From another source I have ascertained that the amount of 

 copper ore smelted at Swansea, from 30th June, 1839, to 30th June, 1840, was 

 203,545 tons of 21cwt. Produce in fine copper, 19,511 tons Icwt. 3qrs. 241bs. — 

 worlh 1,466,770/. Is. 6d. 



Copper ore imported into the united kingdoms, for the year ending 5th January, 

 1840, 28,757 tons. Average value of Cornish ores, in the year ending 30th 

 June, 1840, 5/. 7s. 6d. 



Average value of Cuba ores, for the year ending June 30, 1840 - £14 125. id. 

 Do. Cobre do. do. - 16 10 2 



Do. Chili do. do. ' . 19 4 



Do. Valparaiso do. do. - 19 7 3 



The foreign copper ores are merely introduced for the purpose of smelting, and 

 the purchasers of such ores are bound to export as much copper as is estimated} 

 from assays made previous to sale, to be contained in them ; hence the quantity 

 necessary to be exported depends on the accuracy of such assays. 



The amount of metal procured from foreign ores is sometimes nearly, or quite 

 one half the entire reduction, but for a few years past it has greatly diminished, 



