Show SENN concentrators AT DEMMING G E bateman field engineer for the senn concentrator company of san francisco was in salt lake recently on his way home from the demming mine out of murphy idaho where lie he installed four senn concentrators at the milling plant of the demming mines company I 1 these hese f concentrators were placed below flotation machines for the purpose of treating the tailings and mr bateman stated that the results obtained were very gratifying the concentrators are handling tons of tailings daily mr bateman also stated that A F mat tern metallurgical engineer had been added to the demming staff and that lie he will assist supt bupt ill W rowland in solving milling problems the mine lie he says is looking fine with good ore faces showing in several of the mine op openings n digs |