Show A MINOR TRIUMPH OF SCIENCE I 1 It Is is' well ell known known that that the original inhabitants of this country mined copper cop cop- c copper p- p per in the Lake Superior region In Isle Royale where here the coppet copper bearing bearing stratum is nearly horizontal the shallow shallow ahal- ahal law low excavations of the I Indians or 1 of the mound bul builders ders who preceded them t F C From ti-n ti many V of nf the th the t F C From ti-n ti many V of nf the th the are very evi evident d en t r om graves of the early races rages copper in instruments instruments instruments in- in and ornaments have been exhumed A few articles artices have been found which seemed to indicate a high degree of skill In the the makers and it has long been a a. question whether some of them were not brought to the country country country coun coun- try by the Spaniards in t tile the e sixteenth century and and acquired by the Indians in exchange for far skins or as presents The question has be been n s settled by chemical analysis Lake copner contains contains con con- on- on a little silver and iron and a trace of af arsenic but no lead or antimony Spanish copper frequently contains lead and almost Invariably a a. trace ot or antimony s So unvarying is the composition composition composition com com- position that a chemist Is Isable able to say decisively This bit of copper came from from the lake region and this other ather did not Nearly all the Implements found in Indian n or mound are lake copper and It is quite evident that I Ithe the men who worked d it had attained considerable skill though their tools were nothing but stone atone hammers A Afew A Afew Afew few of f the more mor artistic articles are certainly not lake copper and were Jn tn all probability obtained from the Span Span- lards Science discriminates positively between the sources of the metal even going going so far as to point out aut the exact exact original loc locality Hartford locality Hartford Times |