100 



BfePOM— 1901. 

 ARGON (Vacuum-tube) — continved. 



II 5928-61, 5912 48, 5889-02, 5883-03, 5860-69, Eder and Valenta. 



Vanadium. 



Hasselberg : ' Kongl. Svenska Vetenskaps-Akadem. Handl.,' Bd. xxxii., No. 2. 1899. 

 Rowland and Harrison : • Astrophys. Jour.' April 1898. 



Exner and Haschek: 'Sitzber. kais. Akad. Wissensch. Wien,' Bd. cvii. (2). 1898. 

 Lockyer and Baxandall : ' Proc. Roy. Soc.,' vol. Ixviii. p. 189. 1901. 



t Coincident with Fraunhofer lines. 



