1856.] 



Report on the Magnetic Survey. 



25 



Levellings in the bed of the Brahmaputra river at Oowhatty. 





i-H 4*r 











Difference of 

 level. 





Distance — in 

 metres. 



«M to 







Eeading o 

 ling rod, 1 

 metres. 



<D 03 



> CD 



BO 2 



© . 



• rH CD 



13 S 



03 4J 

 tD CD 



£ a 









49 



0.14 



1.402 





Total height of 



4.9 



9.7 



0.182 



1.368 





the left bank 



9.7 



16.5 



1.080 



0.470 





from the water 



16.5 



22.22 



0.747 



0.803 





mark. 



22.22 



29.44 



0.074 



1.456 







29.44 



34.16 



0.214 



1.336 







34.16 



41.63 



0.230 



1.320 











First ai 



■m of water. 



8m. 155 



41.63 



106.63 











Levellings over the Karmanasah rock 



106.63 



108.06 



2.107 







0.557 





108.06 



110.08 



2.121 



. 





0.571 



Ascending parts. 



110.08 



118.23 



2.113 



. 





0.563 



6m. 376 



112.23 



114.16 



2.155 







0.605 





114.16 



117.88 



2.137 







0.587 





117.88 



122.60 



2.156 







0.606 





122.60 



140.97 



2.126 







0.576 





140.97 



149.89 



2.076 







0.526 





149.89 



152.11 



2.160 







0.610 





152.11 



157.14 



2.115 







0.565 





157.14 



170.22 



2.160 







0.610 





170.22 



195.12 



0.860 



0.790 







195.12 



221.82 



0.331 



1.219 



• • 





