Table 1 63 (.conUnutd). I 75 



STANDARD SOLAR WAVE-LENGTHS. ROWLAND'S VALUES. 



Corrections to reduce Rowland's wave-lengths to standards of Table i6o (the accepted standards, 1913). Temperature 

 'S° C, pressure 760 mm. : 



Wave-length 4800. 4900. 5000. 5100. 5200. 5300. 5400. 5500. 5600. 5700. 5S00. 

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



Wave-length 5800. 

 Correction — .209 



Smithsonian Tables. 



5900. 6000. 

 -.209 — .213 



6100. 6200. 6300. 6400. 6500. 

 — .214 — .213 — .210 — .209 — .210. 



6700. 



6S00. 



