488 CONSTIH ("noN, farm KNUINKKHINU, MKCllANWS 



inches in diamotcr, :iimI ciircfully split down tlic middle. The hciivioHt 

 and b(\st slal) should be .sclcc^tccl for the; front. At a point on this front 

 sUib 4 in(;h(!S from tlu; (!nd that is to Ik; at the niiddh; of the; road 

 locate the center of the? hole to reccnvc; a cross stake, and 22 inches 

 from the other end of the front slab locate the center for another 

 cross stake. The liolc for the niiddh; stake will lie on a line connectinj; 

 and halfway Ix'twccn the other two. The ba(rk slab should now b(; 

 placed in position beliind the other. From the end which is to be 



Fio. 20. — The Hplit-log romJ-diiiK. 



at the middle of tlie road measure 20 inches for the center of the 

 cross stake, and 6 inches from the other end locate the center of the 

 outside; stake. Find th(; cent(;r of th(; middle; hole as b(;fore. When 

 these; holes an; brought opposite; e'jie;h e>the;r, e)ne; e;nel of the l)ae;k slul) 

 will lie If) ine;he;s nearer the center of the roadway than the front 

 one, giving what is known as "se;t bae-k." The; holes she)ulel be; 2 ine;iie'S 

 in diameter. Care must be taken te) hold the auger pluml) in be)rinf^ 

 th(;se; he)le;s in oreleT that tlie' stake;s shall fit pr()|)e'rly. The- lie)le te> re- 

 ceive the; fe>rwarei e;nel e>f the chain she)uld be* be)re;el at the; same' time. 



The two slabs should be held 30 inche;s apart by the stakes. 

 Straight-graine;el timber shoulel be se;le;cte;d for the stakes, so that each 

 stake shall fit snuf^ly inte) the twe)-inch hole when the; two slabs are in 

 the prope;r i)e)sitiem. The' stake-s she)uld taper graehially te)warel the 

 ends. There; she)ulel be no she)ulele'r at the' point where the; stake;s e;nter 

 the slab. The stakes should be fastened in place by wedges only. 



When the stakes have been placed in position and tightly wedged, 



