Portox—Spectrographic Analysis of Commercial Thallium. 348 
MEASUREMENTS OF SPEcTRA—continued. 
GESTS Mark and Curve | Wave-Length! ry ement and Accepted 
ment Intensity. Reading. vlna Wave-Length. 
Tso inch Seale. 
436-20 -M 0-0 3174 Sn 3175-1 (10) x 
445-25 Au No. 17 444-09 3122°9 Au 
450°95 SS) — °35 3091°5 Tl 3091:9 (8) 
462-65 Au No. 18 462°85 3029°3 Au 
464-40 -M + °2 3020 ? 
466-80 -M +2 3008-5 Sn 3009-2 (10) x 
484-90 S +2 2921 Tl 2921-6 (8) 
485-75 S + 2 2918 Tl 2918-4 (10) » 
486-80 Au No. 19 486°85 2913°6 Au 
49085 M + 05 2895 Sn 28962 
495-90 f + 05 2872°5 Pb 2873-4 (10) x 
498-10 -M + 2862°5 Sn 2863-4 (10) ¥ 
501-05 f + -05 2849°5 Sn 2850-7 (8) » 
503-65 -S Ht 2839°5 Sn 2840-1 (10) 
+ 2833-0 Pb 2833-2 (10) x 
2826-5 Tl 28263 (2) 
28256 Au 
2767 mM) OS (6) 
2754 2 
2748-3 Au 
2734 2 
2709°5 Tl  2709°3 (3) 
2676°1 Au 
2666 Tl 2665-7 (8) 
2662 Pb  2663°3 (10) x 
2641-6 Au 
2631 Sn 26321 (8) x 
2601 Cu —_2600°5 (10) » 
505°30 Ss 
506790 Ss + -05 
507:00 Au No. 20 507-00 
521°40 Ss 0-0 
524°65 f 0-0 
526°55 Au No. 21 526°15 
528°85 f — 4 
536°90 Se -— 4 
546°30 Au No. 22 546°10 
549-30 Ss — ‘2 
550°50 rie — 2 
556°45 Au No. 23 556°20 
559-45 Oh: — 25 
564-70 °m — °25 
