ON THE MERIDIAN. 

 PRINCIPAL TRIANGLES. 



S°7 



N. end of the base from S. end of the base $9793.7 feet. 



55 



TIIIANG L E S. 



Observed 



Angles. 



N. end of the base, .. 89 19 20.75 



S. end of (he base, „...' 33 41 00.06' 



Muntapum station, ....' 56 56 41.42 



33 

 Q 





1 80 00 02„23 



—0.12 

 — 06 

 —0.0§ 



. o 



V* 

 U 



Angles for | Oistattci s 



Calculation. 



0.24 



89 19 20 

 33 43 59-3 

 56 56 40.7 



in Feet. 



+ 1.99 180 00 00 



»» i l r t (N; end of the base, ...<,„..... h63S5 9? 



Muntapum station from < . ,*•,,' , 



r (> end of the base, ........ „.',..; 47475. Q'£ 



S. end of the base ficm Muntapum station 47175.03 feet. 



Send of the base.......... 



Vlitntapum- station, . . . 



BouuairgotUh station,. ...... 



!06 09 37.7.2) — 0.3 

 35 03 56.05 1— 0.08 

 38 46 31.15—0 



IN 



180 00 04 P2 



106 09 35. 9 

 35 03 54,5 

 38 46 29.6 



0.47 4-4.; 45 180 00 00.0 



•s,-- . .. , . ,. , (S. end- of the base, 143551 7 



Bonnairgottah itation from < ,, . ,. ' i« a o, , - 



° I Muntapum station-, ».... ,...'7281!. 7 



Muntapum station from Bonnairgottah station 7281 1.7 feet. 



13 



Muntapum station, .. 

 Bonnairgottah station, 

 Tirtapully hill station,, 



97 26 53 39 



51 07 54 62 

 31 25 !6 15 



— 1.07 



— 37 

 —0.4! 







80 00 0i c 1.6 



' 



1.85 



-!r?.31 



97 26 53 9 

 51 07 5 1 -2 

 31 25 119 



180 01) 00,0 



t:.t.„„ii-j e r ( Vt'untapum station. .... ......... 1 08746.,* 



I irtapully station from < „ F , . ;. ' , ,o.„« 



v ' ( lionnaigoUruh station, .... ,„.. | ! 38 19%. •■ 



Bonnairgottah station fram Tirtapully station 138.492.9 feet. 



■ i 



Bonnairgottah station, \ 5.1 05 56.91 



Tirtapnlly station, | 31 25 08.96 



Muutapum center, .... ,97 28 55.27 



180 00 01.14 



51 05 56.5 

 31 25 09 

 97 28 51.5 



1.9 —0.76 180 00 00.0 



M„i,i.„,„ . , C Bonnaircoltnli s-tation, 79815.8 

 untapum center from <,„. , .7 ' 



(Tirtapully station, 103705.1 



