344 - Scientific Proceedings, Royal Dublin Society. 
MEASUREMENTS OF SPECTRA—continued. 
eae Mark and Curve Waveieners Element and Accepted 
ane _ Intensity. Reading. Wave-Length. 
T0o inch. | Scale. 
| 
572715 Au No. 24 571°38 26590°2 Au 
573°50 arg — 8 2586 ? 
57550 S ~ +8 2580 Tl 2580-2 (3) 
587-05 Au No. 25 986°55 2544°3 Au 
591-80 s 5 2581 Tl 2530-9 (3) 
