1/2 TABLE 1 52 (continue*), 



STANDARD SOLAR WAVE-LENGTHS. ROWLAND'S VALUES. 



Corrections to reduce Rowland's wave-lengths to Fabry and Buisson's system (the accepted standard, 1908). Tem- 

 perature 15 C, pressure 760 mm. 



Wave-length 3600. 3700. 3800. 3900. 4000. 4100. 4200. 4300. 4400. 4500. 4600. 4700. 4800. 

 Correction .155 .140 .141 .144 .148 .152 .156 .161 .167 .172 .176 .179 .179. 



SMITHSONIAN TABLES. 



