Table S'9. 



SPECTRA OF THE ELEMENTS. 



269 



The following figure gives grapbically the positions of some of the more prominent line» in the spectra of some of 

 the elements. Flame spectra are indicated by lines in the lower parts of the panels, arc spectra in the upper parts, and 

 spark spectra by dotted lines. 



I I I 



.4a 



rS^ 



1 1 .1 - 1 1 ' I '' 



j6m 



I r I I 



.7/00 

 .I.J I I 



Na 



K 



Csl 



Rb 



T1 



In 



Hg 



lami 



Co 



Ni 



Cu 



vacuo arc 



Ag 



Zn 



Mg 



$ 



arc 



5n 



H 



He 



I I I I 



-violet — ><-blueKTgreen%ellow>f,orangeX^ red 



I ■ ■ ' ■ I 



The following wave-lengths are in Angstroms. 



SI68 

 5173 

 SI84 



5529 

 4525 

 5563 

 5589 



5799 



6453 



3970 



4102 



4340 



4S61 



6563 



3187.743! 



3888.646! 



4026.189! 



4471-477+ 



4713-143! 



4921-929! 



5015.67s! 



5875-618! 



6678.149! 



7065.188! 



Bmuhsonian Tables. 



k 



