Implements. 43 



It is expensive, but where it can be Lad uo other instru- 

 ment is necessary. 



A measuring rod ten or fifteen feet long i.s handy for 

 practical work ; it should be divided into feet and inches. 

 In laying out walks and drives, flower-beds and borders, it 

 is used for measuring distances, as the width of a drive or 

 the space between shrubs and other plants. Burning-rods' 

 sometimes take the place of more exact instruments in 

 everv-dav practice. They are simple stakes five feet long; 

 one of the three generally used together is somewhat longer 

 than the others, with a sight-hole at the upper end. To 

 the other two short cross-pieces may be attached at the 



A 



"> <i. J; " . 'J 



FIG. 15.— HOW TO PLACE GRADE STAKES BY MEANS OF TWO BORNING-RODS AND 

 MEASURING ROD. 



upper ends, at exact right angles. Grade stakes for a grad- 

 ually inclined plane may be placed by this means in the 

 following manner : drive a stake at each end, one to mark 

 the highest, the other the lowest part of the slope; let one 

 man hold a rod vertically on one of the stakes, remain at 

 the other end and direct a third man with another rod to 

 drive grade stakes in a straight line between the two end 

 stakes to the proper level. When, in looking through the 

 sighthole, the tops of the two rods are on the same plane, 

 the stake is properly placed. Proceed in the same manner 

 1 A horticultural term. 



