434 Journal of Agriculture, Victoria. [10 July, 1919. 



or rendered ^ inch with cement mortar, 1 in 3, as used for bath. Drain- 

 ing wells, one on each side of " walk-out," are 9 in. x 1 ft 3 in. x 1 ft. 

 8 in. in depth, and there are 4-inch earthenware pipes 4 feet long in- 

 serted just under surface, to carry the wash back to the ramp. The 

 wells are cleaned out each morning of dipping, and skimmed as required 

 a^ the work goes on. 



Yards. — From convenient receiving yards the sheep pass to forcing 

 yards, 32 feet long and 10 feet wide at lock. Two panels on far side 

 from dip form an irregular V, as shown on plan, leading to race, 1 ft. 

 10 in. wide, 23 feet long. Decoy pen, 4x4 feet, at the head of 

 race. Side slide into bath is 4 feet long, and sloped at an angle of Ab 

 degrees (11 in. in 22 in.). "Blind" of tongue and groove, \ inch 

 ceiling boards, to be swung with pair of T-hiuges over slide, in place of 

 hessian temporarily fixed. 



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Mr. Laffan has a marked stick, for measuring at various depths, to 

 ascertain, or to test, the quantity of liquid in bath. He also uses a 

 home-made skimmer, consisting of a tin, punched with numerous holes, 

 from inside, through which a stick is fixed at oblique angle, as well as a 

 plunger for stirring the wash, and crutches for immersing the sheep. 



The following are details of the quantities and cost of material, in- 

 cluding fencing and cost of labour. As Mr. Laffan desired to make a 

 thoroughly good dip, nothing was spared. Probably some economy 

 might be made without impairing the efficiency of the bath by having 

 4i-inch walls instead of 9 inch, and less substantial fencing could be 



