for Gardeners, &c. 69 



gures as before, and the remaining Figures arc 

 Perches. 



Operatio7u 



Bafe A C — 5 25 Perpetidkuhrsr i 2 5 B S 

 t.2 56 DS 



4 — 2 62 



3 81 

 2 62 



762 

 2286 

 762 



^f/^^^* . 99822 

 4 



Roods 3)99288 

 40 



Perches q,^\ji<^20 



80 that the fuperficial Content of the Trape- 

 zium, is G Acres, 3 Roods, 39 Perches, v-of 

 a Perch. 



If you would know the North and South 

 Lines of this Field, The Inftrument remain- 

 ing in Point E, place the Table, fo that 

 the Needle hang diredlf over the Points of 

 North and South in the Box, then is the Ta- 

 ble in the fame Pofition^ and if,thro' Point E, 

 you by the Help of any Line, on the Frame 

 draw a Line parallel to that Line, it (hall al- 

 fo lie parallel with the Needle, and be tb^ 



F 3 tru§ 



