m 



MEASUREMENT 'OF AN ARC 



Permaul hill from Rissheama.lir=l 18926.2. 



TRIANGLES. 



Observed 



Angles. 



jg 



{_ 



1 



u 



' * in 





s 



O n 



j- 



fS ? 



o 



U 



5 u 



t* 



£ 





(a 



-Q - • 



cw 





Angles fox 

 Calculation. 



5 S • 

 42 fa* 



GO 



26 



Permaul hill, . 

 Rissheemalli . . , 

 Suddragherry . 



82 34 54.61 

 34 42 56.64 



—2:27 



— 1.3.9 







62 42 12.4 

 82 "34 52.3 

 34 42 55.3 



180 



c 1 , r. r ^ Permaul hih 



Suddragherry from <•— . , .,-. 



J J Rissheemalli 



207077.6 

 185571.1' 



Permaul hill from Nagamaili = 172665.4 Feet. 



127 



Permaul hill) 



Nagamaili, . . . 



Suddragherry, ........... 



tO . Il 









84 14 3.21 



— 2.45 s 







56 3 21.S • 



—1.52^ 







39 42 38.9 

 84 14 0.8 



56 3 20.3 



I 1 80 



lC ,,i , , (Permaul hill 



Suddragherry from]^ H . 



207082.6 

 132980.6 



Suddragherry from Rissheemalli=185571.9. 



128 



Suddragherry,. 

 Rissheemalli, . . ... 



Nagaaaullij . . . ... , 



21 



20 



24.63 



—0.13 







38 



6 



15. 



+ 0.29 







120 



33 



23.38 



—2.28 







21 20 24.5 

 38 6 14.5 

 120 33 21. 



180 6 3.01 } J2."l3j +6.88J180 0. 



Nagamaili from J ^^7 



132981.4 



78420.2 



Suddragherry from Nagamaili— 132981. 



28 



Suddragherry . . . . . 



Nagamaili . .._ ........ . 



Sekiinderraalli . . . , 



25 48 40.85 

 91 36 14- 5 

 62 35 8.63 



n 

 —0.51 



—1.07 



—0.48 





. 



25 48 38.5 

 91 36 13.5 

 62 35 -8. 



180 3.98J 



2.06—1.92 



180 0. 



! SekiWermaili from 5 Suddragherry 



i Nagamaili . . . 



i49745.0 

 •64224.2 



1 



Suddragherry from Nagamaili as a Base in the last triangle, is a mean distance derived from 

 t%e 27th and 28th -triangles:. 



