Trigonometrical Survey. 
457 
No. of 
triangles 
Names of stations. 
Observed 
angles. 
Diff. 
Spheri- 
cal 
excess. 
Error. 
Angles corrected 
for calculation. 
Distances. 
L. 
Cawsand Beacon 
Dumpdon 
Little Haldon 
o / n 
43 H 2I * 25 
35 7 7> 2 5 
101 38 33,75 
// 
-°>S 7 
— 0,64 
-C93 
n 
D 
43 14 20 
35 7 7 
101 38 33 
Feet. 
180 0 2,25 
3,12 
—0,87 
Cawsand Beacon from { ““^Haldon ' 
181334 
X06508 
LI. 
Rippin Tor 
Cawsand Beacon 
Little Haldon 
124 59 13 
2 5 30 39*75 
29 30 10,5 
—0,08 
4-0,01 
4-0,05 
124 59 11,75 
2 5 3 ° 3 8 >75 
29 30 9*5 
180 0 3,25 
0,69 
4-2,56 
Rippin Tor fromj^ 
Cawsand Beacon 
Little Haldon 
64020,5 
55988,7 
LIl. 
Furland 
Little Haldon 
Rippin Tor 
39 2 4 37’ 2 5 
84 58 43 
55 36 4°>5 
—0,26 
-0,44 
—0,25 
39 2 4 37 
84 58 42,75 
55 3 6 4°* 2 5 
180 0 0,75 
0,96 
—0,21 
Furland from | 
Little Haldon 
Rippin Tor 
* 
72776 
87851 
LIU. 
Furland 
Rippin Tor 
Butterton 
43 38 4*5 
61 59 59,5 
74 21 57,25 
— 0,32 
—0,38 
-0,44 
43 38 4 
61 59 59,25 
74 21 56>75 
180 0 1,25,1 
1,15 
4-0,1 
Butterton from<£ 
Rippin Tor 
Furland 
" 
62951 
80547,8 
