Trigonometrical Survey. 
5 01 
No. of 
triangles 
Names of stations. 
Observed 
angles. 
Diff. 
Spheri- 
cal 
excess. 
Error. 
Angles corrected 
for calculation. 
Distances. 
XXII. 
Dunnose 
Butser Hill 
Rook’s Hill 
24 44 I /, 5 
80 21 58 
74 53 45 
— 0,52 
— 0,8 1 
— 0,65 
* 
" 
24 44 16 
80 21 58,5 
74 53 45’5 
Feet. 
179 59 5 8 >5 
1,96 
— 3 > 4 6 
Dunnose from Rook’s Hill 
- 
■ 
*43 55 8 >9 
XXIII 
Dunnose 
Butser Hill 
Dean Hill - 
55 43 7 
76 12 22 
48' 4^2,25 
- M 3 
- M 9 
- M 4 
55 43 6,75 
76 12 21,5 
48 4 31,75 
. - 
l80 O 1,25 
5 >° 
- 3>75 
p. f Butser Hill 
Dunnose | Dean m _ 
” 
140580,4 
183496,2 
XXIV. 
Dunnose 
Dean Hill 
Nine Barrow Down 
53 12 27,25 
64 50 19 
61 57 19,75 
-2,03 
— 2,26 
— 2,22- 
53 12 25,5 
64 50 16,75 
61 57 1 7 >7 5 
180 0 6 
6 >S 
-0,5 
Dunnose from Nine Barrow Down - * 
188181,8 
Distance from Beacon Hill to Dean Hill, as 
Plain - 
: got by the Base on Salisbury 
58086,3 
XXV. 
Wingreen 
Beacon Hill - 
Dean Hill 
3 ° *3 23 
66 49 52,25 
82 56 47 
— °>35 
-0,39 
— 0,68 
30 13 22,5 
66 49 51,5 
82 56 46 
180 0 2,25 
M 3 ! 
-f- 0,82 
f Beacon Hill 
Wingreen [ Dean Hm _ 
_ 
1x4522,4 
106089 
* This distance is the mean, as derived from the Salisbury Base, and from the side Butser 
Hill and Dean Hill. 
MDCCXCV. 3 T 
