34 Agricultural Gazette of N.S. IF. [Jan. 2, 1908. 



The cciitrc part of llic UKuild I!, with llic licnrcrs DI). i-- \wm\v cxnclly 

 the sli;i]M' (if ill!' inside (if the 1 im uiizh, niid l' iiiclu's less every way than the 

 outer Jiiiiuld. All ecii'ners ai'e rdiiiided dtl. < hi ihe fi-(int (if the niduld a 

 li-iiieh lidle is made, into which a ping is set, to\ichin,u' a.aaiiist the inner 

 mould, thus providing a cleaning hole in the concrete ti-ongh. To ensure 

 a smooth face Avhen east, the moulds should he lined with light galvanized 

 iron. When making these troughs, fix the outer mould together, set it on 

 the floor on a piece of flat iron, and fill in ahout i"" 2 inches thick of con- 

 crete; then set tlie inner mould and press it down until the heai'ers 1)1) 

 rest on the tojD edges, and an e(|ual space of '1 im-lies all round. Set the 

 I'lug in tlie fr(.)nt, and till the conci'ete t'arefully in ail round, packing it 

 tightly and flush to the top. 



Allow this to set for about twenty-four lionrs, when the plug may he taken 

 out, the inner mould removed, the holts and weclges withdrawn, and the 

 trough laid aside to dry. Any rotigh edges should he dressed u[) heforc 

 leaving it, and it should be covered over with a wet l)ag for a few days, when 

 it will l)e ready for use. 



fig. 22. Concrete Troughs. 



Fig. 22 shows the trough as made. 



Another handy trough for suckers can he made of sawn timber, as shown 

 at Fig. 2.'j — the ends ]2 inches long, i\ in. x 2 in. thick hardwood, and the 



Fig. 23.— Suckers' Trough. 



