E/MJ : engineering and mining journal . i he . ,,i in, round is the pn Hi ?rder?<Lt°, ;? 1 I s the 1 top of the lull an ; loi s noli I - tope inline. li-om one ot the tunnels a short distance below discovery. SI ton in 111 The The Matahambr. or, is now hauled In Lucia. Pending the eomplel V and storagi bins V I irei pi nt - milt at the p ore oui i - roadstead LATE VIEWS OF THE MATAHAMBRE MINE, IN PIN* 048 ENGINEERING AND MINING JOURNAL Vol. 102, No. 22 iiiniiiiiiiiiiii n iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiL ^Essnomi :?:!? lL©^dl SmaeHttniftgg Facetiae© In


E/MJ : engineering and mining journal . i he . ,,i in, round is the pn Hi ?rder?<Lt°, ;? 1 I s the 1 top of the lull an ; loi s noli I - tope inline. li-om one ot the tunnels a short distance below discovery. SI ton in 111 The The Matahambr. or, is now hauled In Lucia. Pending the eomplel V and storagi bins V I irei pi nt - milt at the p ore oui i - roadstead LATE VIEWS OF THE MATAHAMBRE MINE, IN PIN* 048 ENGINEERING AND MINING JOURNAL Vol. 102, No. 22 iiiniiiiiiiiiiii n iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiL ^Essnomi :?:!? lL©^dl SmaeHttniftgg Facetiae© In writing of the Scotch hearth practice in the Missis-sippi Valley, in the Journal of Oct. 7, Arthur S. Dwight,in his article on Lead-Smelting Practice in the UnitedStates, says on page 677: The unsanitary feature of these processes, the large pro-duction of lead fumes, difficult to recover and re-treat, andthe fact that the gray slags from the hearths have to be putthrough the blast furnace with sufficient amount of flux tomake the same amount of slag that would have been madein a direct smelting of the original concentrates have mili-tated against the hearths. Mr. Dwight misses the advantages of the mechanicalhealth in the paragraph quoted. The


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Keywords: ., bo, bookcentury1900, bookdecade1910, booksubjectmineralindustries