\go REVTIFICAtlON of the ELLIPSIS, &c. 



0000039 



m" 



L^ tan —= 1. tan o*' 14 39''' = 7.6295664 



2 



L. fin»2'" = 5.2591328 



As m"'-wi\{ only be a few feconds, it may- 

 be neglecfted. 



Hence A =. 1. 193 18 



L. fee — = io.< 



0-0383538 



2 



L, A n: 0.0767076 



To compute B, let S = i -f - -|- -. £. 4. &c. 



■*■ 2 2 



I zz 1. 000000 

 L. c' =z 1. fin z«' = 9.26264T2 ; r •= 0.091540 



L. c' zz 1. fin m^ z=. 7.9305898 



c 



2 



c' c" 



2'Z =0.000390 



1. c', c" •=. 7.1932310 

 B =: ^ X S X A. 



L. S =: 0.0381948 

 L. A r: 0.0767076 



S rr 1. 09 1 830 



L. B = 1.9742389, and B =: 0.942408 



IX. 



