46 



[EASUREMENT OF AN ARC 



S. E. end of the Base from Parmatty hill = 87510.9 Feet. 



1 



TRIANGLES. 



1 



Observed 

 Angles^ 



o > 



a 



it 



s 



Q,fc£ 



a? 



Error. 



Angles for 

 Calculation- 



43 h 



S. E. end of the Base, . . 

 Parmatty bill, ......... 



Rungamalli, 



58 53 34.25 

 81 54 58.67 



II 

 —0.71 



— r.os 



1 



58 53 33.5 

 81 54 57.-5 

 39 11 29. 



18 



180 



t> n- e- i^' E. end of the Base. 



Rungamalli from | Pamatty Mh _ 



137109.5 

 118571.5 



Parmatty hill from Parteemalli = 156916.55. 



Parmatty hill 



Parteemalli 



IKurraomalli.. ..„„,. 



56 39 10.88 

 82 17 52.71 



—1.05 

 — 1.6 





• 



I 



41 2 59.6 

 56 39 9.3 

 82 17 51.1 



19 



i I 



ISO 



Kurroomalli from 



( Parmatty hill. 

 ( Parteemalli. . . 



140703.7 

 110614.8 



The distance from Parmatty to Parteemalli, as a base in theaboye triangle, is a mean distance 

 obtained by the 15th and 17th triangles. 



I S. E. 



end" of the Base from Parteemalli = 107453.5. 





20 



S. E. end of the Base . . 



Parteemalli 



Rungamalli. ,.„„....... 



......... 



58 30 48.17 

 72 57 51.38 



—0.95 

 — 1,1S 





58 



72 

 48 



30 47.2 

 57 50.2 



31 22.6 



137127.1 



122303.1 



1 



.1 I i |l'80 







1 





... „ (S. E. end of the Base 







Rungamalli trom < p , 



alii.. 













S. E. end of ths Base 

 Parteemalli . ... ....... 



Kurroomalli ...,,..„„ 



■ 



......... 



84 23 29.13 

 46 53 12.8 



—1.28 



—0.76 







48 

 84 

 4§ 



43 20.1 

 23 27.9 

 53 12. 



146491.2 

 110620.8 



21 



! 1 I U 







| 



Kurro 



... . . CS. E. end of the Bast 



> 





1 





omalli from < 



Par teen 











S. E. end of the Base from Parteemalli is a mean distance derived, from the 13th and 17tk 

 triangles, as a base. 



