Trigonometrical Survey.
Between
Gravesend and Severndroog Tower '
Langdon Hill and Sheppey
Sheppey and Hadleigh
At South End.
At Langdon Hill.
Gravesend and Severndroog ...
Centre of Rayleigh Tower and GravesendStation on Rayleigh Tower and centre of the same TowerStation on Rayleigh Tower and Danbury SpireSeverndroog Tower and FrierningFrierning Tower and Station on Rayleigh TowerFrierning and Danbury Spire ...
Severndroog Tower and Brentwood Spire
At Triptree Heath, ist Station
Tillingham Tower and Station on Rayleigh TowerTillingham and Danbury Spire - . .
Station on Rayleigh Tower and Langdon HillStation on Rayleigh Tower and Frierning Tower -
At Lugs horn Corner.
Greylock’s Foss and Dundon BeaconGreylock’s Foss and Moor Lynch
Moor Lynch and Dundon Beacon ...
At Greylock’s Foss.
Moor Lynch and Lugshorn Corner *
Lugshorn Corner and Dundon Beacon - - 8
Dundon Beacon and Moor Lynch - - . 105
26
16
56>75
57*75
*34
11
55
119
20
S
53
47
25
122
2
46
0
0
27
43
18
2
95
25
0
88
44
*9
45
26
J 7
66
26
39
68
28
58
100
28
21
21
z 5
*4
47
8
5°
107
44
3o*75
3*’ 2 5
*5
5 1
58,5
59
59*75
93
5 2
33*75
‘114
9
58,25
56 1Mean.
VS7»*S
3 *
59
59*75 J2 9 59>7S \3° °*5 J40 o
59o
Is } °’ JS