TABLE 1 52 (continued). 172 



J 



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 4800. 4900. 5000. 5100. 5200. 5300. 5400. 5500. 5600. 5700. 5800. 

 Correction .179 .176 .173 .170 .166 .17* .212 .217 .218 .213 .209 



Wave-length 5800. 5900. 6000. 6100. 6200. 6300. 6400. 6500. 6600. 

 Correction .209 .209 .213 .214 .213 .210 .209 .210. 



SMITHSONIAN TABLES. 



6700. 6800. 



