ON WAVE-LENGTH TABLES OF THE SPECTRA OF THE ELEMENTS. 



87 



Wave-length Tables of the Spectra of the Elements and CompoiLmls. — 

 Beport of the Committee^ consisting of Sir H. E. ROSCOE (Chair- 

 man), Dr. Marshall Watts (Secretary), Sir J. N. Lockyer, Pro 

 fessor J. Dewar, Professor G. D. Liveing, Professor A. Schuster 

 Professor W. N. Hartley, Professor Wolcott Gibbs, and Captain 

 Sir W. DE W. Abney. 



Molybdenum (Arc Spectrum). 

 Hasselberg, 'Kongl. Svenska Vetenskaps-Akadem. Handl.,' Bd. 36, No. 2, 1902. 



