Show PARM ag GOLD jr AND in the leport of tho the director of the mint a complimentary reference is ih enado to costain important improvements pro prove ments in tho mode of parting gold and silver metal and introduced beandrew by andrew mason masom esq smelter and refiner in tho the new york assay amay office tho the improvements are to bo be introduced ined all the branch mints those there are of goli general cral inte interest int to tho the refining establishments it consists first in so eo ad tho the melts for that the fine gold instead of gold bullion shall constitute one third of tho the mixed metal and secondly in boiling the gold in aprong s sulphuric aci fadd 1 after one treatment in nitric acid the 0 ono no charge of nitric acid is to bo be m oner t han the fligg in the old proc tos eg but twenty per cent ICES than the amount in loth both while the consumption of fuel la is greatly reduced and much disa labor removed it is in orti cli mated that the saving in bearo would amount to the ban cost of mining in california at 60 per cent greater than annew in bow york |