Trigonometrical Survey. 561 



, Mei 

 ' h7S )s7> 



Between , „ Mean. 



Gravesend and Severndroog Tower - - 26 1 6 56,75 



57>75 P 7 ' 

 Langdon Hill and Sheppey - - - 134 11 55 



At South End. 



Sheppey and Hadleigh - - - 119 20 5 



At Langdon Hill. 



Gravesend and Severndroog - - - 53 47 25 



Centre of Rayleigh Tower and Gravesend - 122 2 46 

 Station on Rayleigh Tower and centre of the same Tower - 0027 



Station on Rayleigh Tower and Danbury Spire - 43 1 8 2 



Severndroog Tower and Frierning - - 95 25 o 



Frierning Tower and Station on Rayleigh Tower - 88 44 19 



Frierning and Danbury Spire - - - 45 26 17 



Severndroog Tower and Brentwood Spire - - 66 26 39 



At Triptree Heath. 1st Station. 



Tillingham Tower and Station on Rayleigh Tower - 68 28 58 



Tillingham and Danbury Spire - - 100 28 21 



Station on Rayleigh Tower and Langdon Hill - 21 25 14 



Station on Rayleigh Tower and Frierning Tower - 47 8 50 



At Lugshorn Corner. 



Greylock's Foss and Dundon Beacon - - 107 44 30,75 "1 



31,25 P l 



Greylock's Foss and Moor Lynch - - J 5 5* 5^,5 "1 



59 H9 

 59>75 J 



Moor Lynch and Dundon Beacon - - - 93 52 33,75 



At Greylock's Foss. 



Moor Lynch and Lugshorn Corner 



114 9 58,25 1 



59>75 J iy 

 Lugshorn Corner and Dundon Beacon - - - 8 29 59,75 



30 o,- 



h7S\ 



M J 



Dundon Beacon and Moor Lynch - - - 105 40 o "1 



°>5 / °' 



25 



