ON WAVE-LENGTH TABLEs!'OF THE SPECTRA OF THE ELEMENTS. 87 



Cobalt — continued. 



Spask Spectrum. 



* Double. 



ft Exner and Haschek's numbers : 3510-52, 3509-92, 350645, 350230, 349578, 

 3489-58, 3474-11. 



3471-52 Co. 



§ Solar line double | g^j^.^f ^e. 



