BAKOMETRlCAIi MEASUREMENT OF HEIGHTS. DIPPE. 



Table IV. for C. 



CORRECTION IN TOISES FOR THE CHANGE OF GRAVITY IN LATITUDE. 

 In computing Heights, reverse the signs of C. Arguments <p and u. 



Latitude. 



Approximate Difference of Level, in Toises. 





 5 

 10 

 15 

 20 

 23 

 30 

 35 

 36 

 37 

 33 

 39 

 40 

 41 

 42 

 43 

 44 

 45 



T — T* 

 Reaumur. 





 1 

 2 

 3 

 4 

 5 

 6 

 7 

 8 

 9 

 10 



Correction for T — T, in Toises, witli the same sign ; t = 



2.6 

 2.6 

 2.4 

 2.3 

 2.0 

 1.7 

 1.3 

 0.9 

 0.8 

 0.7 

 0.6 

 0.5 

 0.5 

 0.4 

 0.3 

 0.2 

 0.1 

 0.0 



Table V. for C". 

 Arguments t and T — T'. To be used only in computing Heights. 



0.0 

 0.0 

 0.0 

 0.1 

 0.1 

 0.1 

 0.1 

 0.2 

 0.2 

 0.2 

 0.2 



Correction for T — T' with contrary sign ; t = 



9 

 10 



+ 14° 



0.3 

 0.3 

 0.4 

 0.4 I 

 0.4 



D 



67 



