6'io The Account of a 



sufficiently correct. It will be more convenient to show how 

 these triangles are connected with those to the eastward, when 

 I arrive at that part of the work which treats of the survey of 

 Essex, than at present. I shall, therefore, proceed to the fol- 

 lowing article, after observing, that by the help of Harrow Spire, 

 (the situation of which has been determined by General Roy,) 

 and by observations hereafter to be made with the small instru- 

 ment on Pen Tower, less difficulty will occur in the interior 

 survey than was at first expected. 



art. xv, Triangles formed by the intersections of Churches, 

 Windmills, and other Objects. 



Triangles. 



Little Haldon 

 Ball's Obelisk 

 Great Haldon, secondary station 



Angles 

 observed. 



2 3 54 5° 

 132 41 8 



Distances of the Stations from the 

 intersected Objects. 



i Great Haldon 



Great Haldon from Ball's Obelisk 19366 feet. 



Feet. 



18974 

 19366 



Great Haldon * 

 Ball's Obelisk 

 Topsbam Steeple 



68 o 35 

 71 32 30 



< Topsham Steeple 

 Little Haldon from Furland 72776 feet. 



\. 



28316 

 27679 



Little Haldon 



Furland - - 



Hope's Nose, secondary station 



1822 



18 42 53 



[Hope's Nose 

 Bodmin from Trevose 81967,6 feet. 



37656 

 39028 



Bodmin 



Trevose - 



St. Minvern Steeple 



15 48 43 

 21 28 36 



1st. Minvern Steeple 



{ 



45936 

 36866 



Bodmin 



Trevose - 



St. Minvern Windmill 



12 5 33 

 8 46 51 



1st. Minvern Windmill 



{ 



■ 



34852 

 48478 



