710 



The Account of a 



Names of Stations. 



Observed 

 Angles. 



Distances. 



Hernhill 



East Church - 



Sea Salter Steeple 



O 1 II 



85 12 O 

 22 15 IO 



| Sea Salter - j 



Feet. 

 1 703 1 



435 8 ° 



Tenham - 



Sheppey - - - - 



Whitstable Steeple 



IO5 2 O 

 48 28 58 



I Whitstable - - j 



5°93S 

 65697 



SECTION FOURTH. 



Determination of the Altitudes of the Stations above the Level of 

 the Sea ; and the mean Refractions deduced from observed Angles 

 of elevation and depression. 



Art. xlii. Elevations and Depressions. 



At Trevose Head. 

 The ground at Cadon Barrow - 



Bodmin Down - 

 St. Agnes - 

 Hensbafrow - 



At Bodmin Down. 

 The ground at Carraton Hill - 



Trevose Head - - 



Cadon Barrow - - 



Brown Willy - 



Cadon Barrow. 

 The ground at Trevose Head - 



Brown Willy - 

 The horizon of the sea in the direction of Trevose Head 

 Ditto in the direction north - - - 



St. Stephen's Down. 

 The ground at Black Down - 



Carraton Hill - 



Brown Willy - - - 



elevated 39' 24* 

 elev. 10 48 

 depressed 6 39 

 elev. 29 2 



elev. 



27 49 





depr. 



" 33 





elev- 



16 





■ elev. 



54 2 4 





depr. 



36 49 





elev 



3 6 3 





depr. 



30 56 





depr. 31 12 



elev. 25 21 



elev. 35 18 



elev. 42 9 



