i i 6 Inflrumental InflmElions 



Lines gives the Point of the Windmill, X 5 

 draw the Windmill according to its Shape. 



Fields to the right of the Road. 



Himt's-field. Herein your Station was found 

 at r, thus : G QLis already drawn ^ fet 50 li. 

 from G to W ^ on W ftrike an Arch, with the 

 Diftance of 40 li., and on G interfed it with 

 60 li. : Then draw G r, which becoming the 

 Line whereon you lay the Diameter of the 

 Protraaor,with its Center on r,and pricking off 

 29 Degrees 30 Minutes ^ (the Qiiantity of An- 

 gle N, taken at r) draw the occult Line r N 5 

 fet 6 ch. 20 li. from r to N ^ and then draw 

 G N, which is 6 ch. 75 li. K W. being 3 ch. 

 53 li. : Take 3 ch. 53 li. from your Scale in 

 your Compaffes, and on N ftrike an Arch to- 

 wards W, dW being 3 ch. 65 li.3 take that 

 Diftance from your Scale, and on CLinterfecl 

 your former Arch, which will give Point W ^ 

 draw N W and W Q. In the Field- Book I 

 have fet down, a fecond time, all the Sides of 

 each Field, which were before given, on pro- 

 trading any other Field, for the Surveyor's 

 inpre fure Guide in the Profecution of his 

 Work 5 but he may omit it if he pleafes, 



Outer^field. This Field cannot be protra- 

 fted, (as it will appear on Tryal) 'til we have 

 difparch'd Grub field 5 therefore go to 



Grub-field Sides CIN, and dW, are pro- 

 traded. On N fweep 4 ch. 40 li- towards Y 5 



on 



