for Gardeners, &c. 93 



occult Line A B, of any Length, at Pleafure* 

 Set 66 li. from A to S, and 75 li. from A to 

 G 5 fet alfo I ch. go li. from A to B ^ from B 

 to Off-fet C fet 58 li- , and to F 85 ii. 5 draw 

 S C'and G F 5 at G draw an Houfe. 



Thro' B draw another Eaft and Weft Line, 

 C B F, whereon place the Inftruraent as be- 

 fore 5 but in regard the z\ngle at B, made by 

 C, is 10 Degrees North Eaft, Jet the Semi- 

 circle lie to the Eaft, and from the North End 

 of the Diameter reckon 10 Degrees, which 

 prick off, and draw the occult Line B C : 

 Set 2 ch. 32 li. from B to C, fet 58 li. from 

 C to R, and 85 li, from C to E, and draw G 

 R and F E ^ at R draw an Houfe, and at E 

 draw a Lane, tending thus, p. 



Thro' C draw an Eaft and Weft Line, R C 

 E, as before ^ and becaufe Objeft D cuts 2 

 Degrees, N, W, place the Inftrument as you 

 did at A3 and prick off 2 Degrees^ drawC D^ 

 whereon fet 2 ch. 55 li. 5 at D to O fet 60 li. 

 and to N 85 li., and draw R O and E N. 



To take a Dijiance accejjibls or inaccejjible. 



Fig. ii.TT'ROM E or F, I would know the 

 1^ Diftance to the Wind-mill at G. 

 Being at Point E, fet up a Mark at Point F, 

 meafure E F i Ch. 16 Li. your Theodolite 

 at E^ bring the Needle to the l^Iorth and South 

 Points of the Chart, and fcrew the Inftru- 

 ment fiift 5 dired the moveable Index to cut 

 the Wind-mill in 94 Deg, reckoned from the 

 Point of Weji, Remove 



