•3o3 



MEASUREMENT GF AN ARC 





Mantapum center from Bounairgottah 72815.6 feet. 





1 



2 



•j Observed 

 TRIANGLES. 



I Angle* 



i 



I 



§ 



5 



— * 

 r. "~ 



to 







Angles for 

 Calculation. 



L/istances 

 in Feet. 



15 



Miintapum cen«tf»r. „ 



Bonnairgottah station, .... ..... 



Savendroog station, „»«« . .... . •»»• 



69 £0 -46.5 



70 52 23.91 

 39 16 50.88 



— 0.6 

 —0.6 

 —0.5 







' ,,i, 



69 50 46 



70 52 28.5 ! 

 39 16 50.5 ' 



108661.6 

 107968 7 



180 "no - 01.59 





r.7' 



— 04.V 



180 00 00.00 



- 



, .. , (iMuntapum center, „,=... 

 endro 's station from < n ;' , '."*'•••• ! 

 -■■( Uonnairgottah station, .„^.. J 



Bonuairgottah from Savemhoog station 107968.7 feet. 



10 



Bon nairgot tah station. ,„ ........ . 



Dodagooutah station, . . ......... . 



83 20 16.17 

 . ... 

 1 61 34 51.29 



— 0.79| 



— 0.5^1 



| 83 20 15.4 . 

 35 0453.8 

 61 34 50.8 



r 



I 











180.00 000 



1 : 



2-v , . , , .. e . t$ Bonnas ,'o(tah..» ... , .-. 



i jDodacoorafah station from < e , * .*•■••« ...... 



b (savendroog station,... .... ..„,.,, 



i 



[70556.7 

 [121933.*: 



With the sides Mutitdpuni center from Tirtapully hill 108705.1 feet, and Muniapum center 



/ /> 

 from Savendroog 10&g6l.6 feet a«d the included angle at Muniapum center 167 10 29.1, the 



side Savendrosg station from Tirtapulljj hifl is found 216038*9 feet. 



Again with the sides BormairgoUah from Tirtapully 138492.9 feet and Boniiairgotlah from 



Savendroog 107963.7 feet, and the included *nglc at Bonnairgoiiah 121 58 19, the side Sa- 

 vendroog from Tirtapully is found 21S038.8 feet, differing from the above ^ of a foot, and of 

 I which the mean is 216038.85 feet. 



Savendroog from Tirtapully station 216038. 85 feet; 



17 



Savendroog station,. ., 

 Tirtapully station,.,.. 

 Deorabetta statiou,. . „, 



\ 53 36 47.5 —1.9 

 1 46 42 24.5 —1.9 

 , 79 40 52.9 —2.8 



180 00 04.9 



35 36 45.5 



46 42 22.5 

 79 40 52 



— 1.7 180 00. 000 



Deorabetta station from f Savendroog station,.. .... 



I liriapully station, 



159828.8 

 [176775 8| 



