404 



REPOET — 1893. 



The lines marked * form a series of pairs for which in the formula 

 10»^=«-&%-2_cw-', a = 4l542-7 for ihefirst line, 49337-6 iox the second, &= 13229-3, 



A. 



c = 126522-3. For the pairs marked \ a = 41506-4 or 49301-3, i= 122617, c = 79068-3. 



