Round Garden . 
23 
tie a string to a short piece of stick, making the 
string exactly half the diameter of your garden. 
You know, of course, that “ the diameter 99 means 
the length across a round thing. A piece of string 
exactly half the length of 
that diameter, tied to a peg 
stuck in the ground in the 
centre, and drawn all round 
the edge, kept as tight as it 
will go, will mark you out 
your circle. A is the peg 
stuck into the ground, b the string, and c the circle 
that it is marking out. 
The stick-and-string plan that I have described 
answers well for all sorts of round things that you 
have to measure, whether large or small, and by 
having rather a thick peg to stick into the ground 
in the middle, you can easily wind up part of the 
string when you want it shorter. 
When in marking a circle you come to a tree or 
anything that is in the way, you must go on just 
till the string touches the stem, then put a stick or 
stone, just to keep your place, and go round the 
tree and begin again on the other side as close as 
you can, that is, just where the string touches it, 
without being bent by it, on the other side. You 
