Tables 379 (concluded) — 381 



STANDARD WAVE LENGTHS (concluded) 



TABLE 379 (concluded). — International Secondary Standards. Iron Arc Lines 



349 



(Values taken from Trans. Int. Astron. Union, 3, 86, 1929.) 



TABLE 380.— Computed Wave Lengths of Iron Arc Lines 

 Based on Term Values derived from Table 379. Xs in air, I5°C, 760 mm. 



(For significance of designations see preliminary remarks to next preceding table. Values 

 taken from same source, 3, 92, 1929. The following actual measures of the lines of this table 

 may be compared with the above figures: Buisson and Fabry, 1908, 2874.176; 2941.347; 

 3075.725; 3125.661. Burns, 1915, 2941.348; 3075.726; 3083.747; 3091.582; 3116.638; 3125.- 

 665; 3129.340; 3134.115; 3184.900; 3I99.527; 3236.227.) 



TABLE 381.— Neon Wave Lengths 



The lines starred in the following table were adopted in 1922 and 1925 as standards by 

 the International Astronomical Union. 



International Units (Angstroms). Burns, Meggers, Merrill, Bull. Bur. Stds. 14, 765, 1918. 

 Smithsonian Tables 



