*79 
the \ Trigonometrical Operation . 
N° of 
triangles. 
Names of the 
Nations. 
1 
Obferved 
angles. ■ 
ISpheri- 
cal 
[excefs. 
Diff. or 
error. 
Angles cor- 
rected for 
calculation. 
Diitances. 
j 
XXX. < 
I 
Swingfield . 
Padlefworth 
Folkftone Turnpike 
0 tn 
48 38 
70 S 4 5-5 
60 27 39.5 
// 
si 
0 its 
48 38 1 £ 
70 54 5-5 
60 27 39.5 
• • • • 
# # 
Feet. 
17056.06 
18525.15 
180 0 0 
O.06 
— O.06 
0 . r 1 j r f Padlefworth 
1 Swingfield from j Fo , kftone Turn[ 
• 
)ike 
r 
XXXI. - 
Dover Caftle, North 
Turret 
Swingfield 
Folkftone 
34 39 26.5 
75 3 6 40 
69 43 53-5 
■ 
34 39 26.5 
75 3 6 4 ° 
6 9 43 53-5 
• • «• • 
• • • • t 
1 
3 ° 559 - 3 2 
3 I 554 ' 5 8 
CO 
O 
O 
O 
O.13 
-O.13 
Dover Caftle from j 
[ holkitone Turnpike 
Hence, in the quadrilateral formed by Folkjione Turnpike , 
Swing fields Padlefworth , and the North T urret of the Keep of 
Dover Caftle , making ufe of the two obtufe angles, as con- 
tained within their refpe&ive known fides, we have for the 
mean diftance of the points of the acute angles at Padlefworth 
and Dover Caftle 42561. 18 feet; and hence, in the triangle, 
Dover , Folkfone Turnpike , Padlefworth , we have the acute 
angle at Dover 15 0 i8 7 44 // i, and that at Padlefworth 34 0 29' 
42 // f, as were repeatedly obferved. 
1 
XXXII. < 
/ 
Dover Caftle . 
Padlefworth 
Fairlight Down 
• • • • 
>52 15 25-5 
• e • • 
21 37 55-42 
*52 «5 2515 
6 6 39.43 
0.69 
( 
Dov 
er Caftle from Fairlight Down 
• • • • 
l86l I3.O 
