of Inglehorough above the Level of the Sea, 



437 



jr r LancasterChurch tower, top 



\ do. 



L do. 



K Warton Crag 

 L Hutton-RooV Moor 

 K Hest Wall, top .. 



rCloughaWesfS 

 K^ Pike, top >[ + 6 



L do! [ + 5-0] 



ly. f Black Comb 

 \ do. . . 



>D. 



Dates. (U.) Aug. 24, 1829, at 8 P.M.— (V.) Sept. 14, 1829, 

 at 12^ P.M.— (W.) Sept. 16, 1829, at 3 p.m.— (X.) Oct. 20, 

 1830, at 11 a.m. Eye 0^ foot above Wall top. 



U Warton Crag 



V do. . . 

 W do. . . 



V ( Hutton-Roof Moor 

 ■^ \ do. 

 U Farleton Knot 



V do. 

 W do. . 

 Aug. 24, 1 829. BreakwaterPole, 



top 



25, 1829. 

 July 25, 1832. 

 Aug. 24, 1829. 



Aug. 2*5, 1*829. 



Oct. 14, 1*830. 



Oct. 2*0, 18*30. 



do. 

 do. 

 do. 

 do. 

 do. 

 do. 

 do. 

 do. 

 do. 

 do. 



do. 

 do. 

 base 

 do. 

 do. 

 do. 

 do. 

 do. 

 do. 

 do. 



Ft. 



46052 



51149 



2339-3 



/ // 

 8 10 



1 8 17 

 1 8 17 

 56 27 

 56 27 

 49 5 

 49 22 



49 24 



1 4 58 



4 58 



5 4 



45 46 



46 13 

 46 

 46 28 



1 46 23 

 1 45 46 

 1 46 28 

 1 46 6 



El. 



El. 

 El. 



Dp. 



Dp. 



Ft. 

 +451-7 



+ 452-5 

 + 452-5 

 + 814-8 

 + 814-8 

 + 7860 

 +790-4 

 + 790-9 



-43 2 



— 71-2 



1 W. 



6-5^ 



0-5 







0-5 



1-5'W. 





In 1829 Hest Bridge top measured 17 feet above the Lan- 

 caster Canal, and 4'2 feet above Hest Wall; whence the Wall 

 is 12'8 above the canal. The Pole top being 43*2 below Hest 

 Wall will be 30*4 lower than the canal. 



The following table exhibits for every intermediate station 

 each day's observed difference of level between Ingleborough 

 and the Breakwater Pole top, derived as well directly as 

 through the medium of Lancaster church tower and Hest 

 Wall, together with their respective heights above the Pole. 

 When an observation of the hill was not accompanied on the 



