6o6 



The Account of a 



No. of 

 triangles 



LVII. 



Names of stations. 



Shotover Hill - ■ 

 Cumner Hill - - 

 The Atlas on the top 



of the Observatory 



at Oxford 



Observed 



angles. 



2 3 II 5 



2 9 2 3 33 



Diff 



Spheri- 

 cal 



Error. 



Angles corrected 

 for calculation 



2 3 " 5 



2 9 2 3 33 



IZ7 25 22 



Oxford Observatory from { fhSover Hill 



Distances. 



Feet. 



14492 

 18065,1 



LVIII. 



Whiteham Hill - 

 White Horse Hill - 

 Blenheim Observatory 



131 25 36,5 



10 3° 43>5 

















!3' Z S 3S«5 



10 3° 43>75 

 38 3 40,75 



f White Horse Hill 



B,e„ Mra Ob S e™ t oryfrom( — ^ -g 



I0783!,9 

 26237,6 



art. xiv. Triangles for connecting the Series carried on from Scut- 

 chamfly Barrow and White Horse Hill, in Berkshire, into Bucking- 

 hamshire and Bedfordshire, with the Series carried on for the Survey 

 of Essex. 



The angle at St. Ann's Hill, between the station on Hanger Hill 

 Tower and Hampton Poor House, inferred from General Roy's 

 Account, is 25 33' $",5. In 1 793, the angle between the staff on 

 Pen Church Tower and Hampton Poor House was taken, and 

 found =|d 0,5° 57' 34/', 5 ; therefore, the angle between Pen Tower 

 and Hanger Hill is 70 23' 36". 



The distance from St. Ann's Hill to Pen is determined by 



