Trigonometrical Survey. 
4 55 
SECTION SECOND. 
Calculation of the Sides of the great Triangles, carried on from the 
Termination of the Series, published in the Philosophical Transac- 
tions of the Tear 1795, along the Coasts of Dorsetshire, Devonshire, 
and Cornwall, to the Landes End. v 
Distance from Wingreen to Nine Barrow Down, 130224,5 Feet (see Phil. Trans, for 1795)* » 
No. of 
triangles 
Names of stations. 
Observed 
angles. 
Diff. 
Spheri- 
cal 
excess. 
Error. 
Angles corrected 
for calculation. 
Distances. 
XLII1. 
Wingreen 
Bull Barrow 
Nine Barrow Down 
54 2 9 36,5 
93 33 °> 2 5 
3 1 57 2 5>5 
-0,4 
-0,91 
-0,4 
// 
n 
54 2 9 36 
93 3 2 59 
, 3 i 57 2 5 
Feet. 
180 0 2,25 
i’ 7 2 
+ °>53 
Bull Barrow from D ‘ wn ' . 
69058 
106213 
XL IV. 
Black Down 
Nine Barrow Down 
Bull Barrow 
56 30 18,75 
38 58 19,25 
84 31 23,25 
— 1 °>53 
—0,89 
—°> 5.7 
56 30 18,5 
38 58 19 
84 31 22,5 
•own 
126782 
80103,8 
180 0 1,25 
Black Down : 
from ^ 
1,99 
Nine B 
Bull Ba 
-0,74 
arrow E 
irrow 
XLV. 
Mintern 
Bull Barrow 
Black Down 
101 39 30,5 
4 6 54 34 
3 i 2 5 57’5 
— 0,3.6 
—0,09 
— 0,1 1 
101 39 30 
4 6 54 33^5 
31 25 56,5 
42653,4 
59730 
180 0 2 
Mintern fr 
r b 
om| B 
°,59 
ull Barr 
lack Do 
+ 1 > 4 I 
ow 
wn 
