112 



Day and Allen — Isomorphism and Thermal 

















AB2AN1. 

















First Preparation. 



E. M. F. Tern- 



Date. Element, in MV. perature. Remarks. 



Dec. 10, 1903 A 13726 1362° 



" 15, " A 13887 1374 



" 16, " A 13969 1381 very rapid heating. 



" 16, " A 13728 1362 poor. 



Jan. 18, 1904 No. 3 13967 1376 covered. 



Feb. 29, " 3 138J2 1363 " 



" 29, " 3 13854 1366 " ' 



Mean 1369° 



Second Preparation. 



Feb. 5, 1904 No. 2 13990 1369° covered. 



Third Preparation. 



Mcb.25, 1904 3 13752 1358 



" 29, " 2 13995 1370 



Apr. 5, " 3 13756 



Mean 



1358 





1362° 



Melting temperature 1367° 



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Time 1 div.=5 min. 



Fig. 7. 



