A SUHYEY OF KEMAON, 



301 



CASE 1st, 



The computations at Pilihhtt, an abstrad of which I have already 

 given, furnifh an example of this kind ; and it has been fliown, that the 

 latitudesof the place of obfervation as obtained feverally, from three 

 very distant fnowy peaks, do not differ from each other more than a 

 lingle fecond. It may therefore be prefumed, that the diftances are 

 equally corredjOrthat the error upon any one of them does not exceed 

 twenty fathoms. 



On account of its great fimplicity, I fubjoin d^ graphical folution of 

 the problem in that particular ijiUapee, 



2 H 



