700 



TABLE 780.— WAVELENGTHS OF THE MORE PRONUNENT J.-GROUP LINES 

 IN ANGSTROMS (concluded) 



TABLE 781.— WAVELENGTHS OF Af-SERIES LINES IN ANGSTROMS FROM 



73 Ta TO 92 U * 



* E. Lindberg, Dissertation, Uppsala (1931). In addition to the values listed here, measurements have been 

 made in the range from Ce 58 to 72 Hf. The wavelengths may be found in the dissertation, or in Siegbahn, 

 Spektroskopie der Rontgenstrahlen (1931). For reference, see footnote 238, p. 697. 



TABLE 782.— X-RAY TERMS FOR VARIOUS ELEMENTS* 



v/R values ; v in cm" 1 , R = 109,737 cm" 1 



* For reference, see footnote 238, p. 697. 

 SMITHSONIAN PHYSICAL TABLES 



