\ 



Ir 



¥ 



lii 



1 .1 



► 





II. 



1* 



I 



Si 



^ 



el 



f 



HUTTONIAN THEORY. 



50 





P 



but 



perfed:Iy 



we kre 



not to be furprifed if confiderable deviations 

 from it are actually obferved. This has accord- 

 inglj happened, infomuch, that the refults de- 

 duced from the moll accurate meafureraent of 

 degrees of the meridian, differ from one 



ano- 



ther, in the oblatenefs they give to the earth, by 



ly one-half of th 



ned. 

 in f 



quantity to be determi 



When we compare the degrees raeafured 



:ance, and in fome oth 

 rope, with thofe meafured 



countries of Eu 



Per 



we obtain 



I 



for the compreffion at the poles, lefs than -- - of 



^ 300 ^^ 



the radius of the earth. But when we compare 



with 



the degrees meafured in Era 



r 



ther, and with thofe lately meafured 



one anc- 



land, we find th 



they 



bell 



Eng 



fpheroid that has its compreffio 



prefented by 



I 



mi 



There is reafon 



150 



of its fe 



think 



that the meridians are not elliptical 

 obfervations feem to fhow, that they ; 



he re fore, 

 nd other 



fimilar to one another 



ItricUy fpeak 

 rne 



folid of 



that the earth is not. 



fo, alfo 



J companfon of the degree meafured at the 

 Cape of Good Hope, with thofe meafured on the 



oppofite 



1 f 



• 



P 



* - 



Expolition du Syfl 

 6j. 2d edit. 



me 



Mond 



e 



Plac 





