190 REr^TIFICAtlON of the ELLIPSIS, &c. 



L. tan — = 1. tan o" 14 39" = 7.6295664 



2 



L. fin?//' = 5.2591328 



As ffi'"will only be a few feconds, it may 

 be neglecfled. 



Hence A = 1.19318 



L. fee — z: 10.0000039 



0-0383538 

 2 



L. A =; 0.0767076 



To compute B, let S = i + f + ~ |" + &c. 



L. c' =. 1. fin m =z 9.26264T2 ; 

 L. c* = 1. fin m" = 7.9305898 



I =: I. 000000 

 - —0.091540 



-■- = 0.00039c 



1. c'. C = 7.1932310 



B = f X S X A. 



L. c = 1.8593365 

 L. S = 0.0381948 

 L. A =r 0.0767076 



S = 1.091830 



L. B = 1.9742389, and B =: 0.942408 



IX. 



