108 



REPORT — 1897. 



Nickel. 



Hasselberg, 'Kongl. Svenska Vetenskaps-Akadem. Handl.' Bd. 28, No. 6, 1896. 

 Exner and Haschek,' Sitzber. kaiserl. Akad. Wissensch. Wien,' cv. (2), 1896. 



• Coincident with a solar line. 



t Solar line double ; least refrangible component due to Nickel. 



t Observed also by Exner and Haschek in the Spark spectrum. 



