TREATING OF CONTRIVANCE 



must end in some figure or another, whether tri- 

 angular, circular, oval, &c. For coaches and carts 

 to turn in, as also where walks meet, or cross one 

 another, it is requisite that there should be an ex- 

 ample laid down for that reason. 



How avenues may end in semicircles and triangles. 

 If an avenue ends in a semicircle, it may begin 

 with the same, or rather, if the ground will suffer, it 

 should begin with a whole circle, having four op- 

 posite opens the breadth of the walk. If it ends 

 with a triangle, it may begin so likeways; but 

 rather with a square, whose entries or opens must 

 be in its angles, and also where the walks meet or 

 cross one another. You ought to lay down a plan 

 of your avenue, but so as the trees in the whole 

 may be every way lineal, except in the segment of 

 a circle, where they deviate a little. The figures 

 should be at least three times the breadth of the 

 walk, but so as the ground will admit. Let not the 

 trees in the figure stand much above the distance 

 of those in the walk, but divide equally ; make the 

 breadth of the walk in proportion to its length. I 

 think an avenue a mile in length may be 40 ells 

 in breadth. Neither short, broad, nor long, narrow 

 walkes are handsome, except in case of walkes of 



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