196 U. S. COAST AND GEODETIC SURVEY. 



Table 12. — Log factor F corresponding to every tenth of a degree of I — Contd. 



*Log jF of A2, /i2, v2, MS, 2SM, and MSf are each equal to log F of Ms. 

 Lo? F of Pi, R2, Si, S2, Si, So, T2 Sa, and Ssa are each zero. 

 For log Foi La and Mi see Table 13. 



