Trigonometrical Survey. 
No. 
Triangles. 
Observed 
Distances of the stations from 
angles. 
the intersected objects. 
Feet. 
175 
Black Down 
Pilsden 
Lyme Cobb 
26 6 41 
9 2 54 15 
jLyme Cobb - j 
9°349 
39 8x 5 
Distance from Pilsden to Mintern 78177 feet 
i76jPilsden 
{Mintern 
j Glastonbury Tor 
64 47 55 
78 12 22 
l Glastonbury Tor 
127174 
117551 
Distance from Pilsden to Charton Common 49016,3 feet. 
1 77 
Pilsden 
Charton Common 
Bridport Beacon , a 
Sea-mark 
40 30 
62 0 
43 
1 
\Bridport Beacon { 
J l 
44332 
326l6 
00 
1 7 -t 
Pilsden 
Charton Common 
Barn on the high land 
near Sidmouth 
15 44 
45 1 8 
H Barn on Sidmouth f 
/ Hill - - \ 
39824 
15191 
Distance from Dumpdon to Pilsden 78459 feet. 
!79 
Dumpdon 
Pilsden 
Naval- Signal-staff on 
Whitlands 
50 52 
40 22 
L 
1 1 H Signal-staff on f 
1 2j Whitlands - / 
50832 
60876 
l80 
Dumpdon 
Pilsden 
Catherstone Lodge, 
Qjuantock Hills 
1 
37 51 i|j" Catherstone Lodge/ 
64521 
104901 
