M.-P. VOL. I. ] CRA WFORD CONST A NT OF REFRA CTION. 1 69 

 STAR No. 959. -(With 282 /. c.) 



| 0.00462 



= 5i# J log[pvv] = 6.3662 



p. e. = 0.00027 



STAR No. 968. 



0.00662 



[P } = 5 ; 



= 6. 6307 



p. e. = 0.00036 



