AGRICULTUEAL EDUCATION, 



21 



Question No. 4. — In the figure D, HE is an irregular boundary ; FG 

 a straight station-line ; FH and EG perpendiculars to FG. Measure by 

 the scale, and mark in links on the paper the measurements required in 

 order to survey the boundary HE. 



Question No. 5. — Calculate from these measurements the area of the piece 

 of land FHEG, in imperial acres and decimals. 



Ansioer. 



Question No. 6. — The contents of a piece of land being 320 Scotch acres, 

 required the area in imperial acres and decimals. 



Ansiver. 



9-35 



300 ft. 



520 ft. 



075 ft 



Question No. 7. — Write down, as if in a level-book, the staff-readings in 

 feet and decimals shown in the above sketch section ; then reduce the 

 levels beginning at H, so as to calculate the heights of K, L, and ]\I above 

 H ; all in feet and decimals. 



Question No. 8. — Calculate the gradients or rates of inclination of the 

 ground between the points H and K, K and L, and L and M. 



C H and K = 



Answer < K and L = 



( L and M = 



Scale of Imperial Chains for Figures C and D. 

 N.B. — The measurements to be taken to the accuracy/ of the nearest Jive links. 



Links 100 so I 2 ? 4 5 g r b 9 w Chdns 



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