Transactions . Fig. Alloy No. 15. Light, pure Tellurium ; dark, eutectic ofTellurium and Antimony Telluride. (Magnified 95diam.) i ii i: LLL01 - i kNTIMONl kND i Ml m. 555 Btancee could no1 have affected the results. The greatestaourcee of error are blow-holes, to which the extreme crystal-line character of the metal makes h liable, the inclusion ofoxide, and the presence of heavier metals. We have reasonto believe thai by our method of preparation these factorsw ere avoided. The specific gravity of antimony telluride ia given by Bodekerand Giesecke as to 6*51 at !•» . For the

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Transactions . Fig. Alloy No. 15. Light, pure Tellurium ; dark, eutectic ofTellurium and Antimony Telluride. (Magnified 95diam.) i ii i: LLL01 - i kNTIMONl kND i Ml m. 555 Btancee could no1 have affected the results. The greatestaourcee of error are blow-holes, to which the extreme crystal-line character of the metal makes h liable, the inclusion ofoxide, and the presence of heavier metals. We have reasonto believe thai by our method of preparation these factorsw ere avoided. The specific gravity of antimony telluride ia given by Bodekerand Giesecke as to 6*51 at !•» . For the alloj containing60 per cent, of tellurium we obtained The results forthe other alloys were, as a whole, very unsatisfactory, and thevalues given in the following table arc only approximate. 8meof the alloys were so crystalline that it was impossible to obtainthem free from air-spaces. In certain cases, large drusy cavi-ties were found in the center of an ingot after weighing. Thistendency to form inter

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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries