ON THE MERIDIAN. am 



The Mean of which is :, . ' iBscbi; 



1.0031913 " 



did 



Jhiri, witb the SwediCh meafure in latitude 66/20 la 



1 ^Co8,H 9° 34' 44") — Cos.a (66" 20' 12") . Z" ^^^^^- V 



\604 72.S3 £_ I 



1 ^Co8.» (130 2* 56") — Cos,'(66° 20' 12" . /^11£!£__\^ 



\ gQ487 56y 1 



^+^7s~T^6<' 20' 12").(£2!££:^^)l_Si.u^(13- 2'"^""!^^ 



I *^Co9.» (16° 34' 42") — Cos.* (66° 20' 12") . /?££££_\ 



^ _^ V60512.7«7 



*+* ^Sin.» (66" 20' 12"). (g^^^g)l- _si...* (16» 34' 42") 1.0032102 



1 



The Mean of which i^ 



Hence by comparing thefe three meafure- 

 ments in India, with the French, gives 



With the Englifh, gives 



With the Swedifh, gives - » 



And the ^^ncrj/ mean is 



1.0032479 



1 



1.0034296 

 1 



1.0031913 

 1 



1.0032479 

 1 



1.0032895 



1 5 



Which gives the compreflion - — ■ — or — nearly. 



303.99 304 



i6. All this is fnppoGng the earth to be an eUipfoid, but, it will be 

 proper to determine that quefUon from the Indian meafurements alone 



' ~ (') (2) 



without having recourfe to any other. In order to which, let a-, x, 



(3) 



K, Sec, be the meafures of contiguous degrees on the meridian, whofe 



Dd 



