FORMS OF DIPPERS 659 



then back to a settling pool and thence to the tank, towards 

 which the floor (best made of concrete) of the dripper slopes. 

 After dripping, to avoid soiling or poisoning the pasture, 

 the sheep should go for a time into a fold, or a bare paddock 

 where there is no grass. 



Quantities of Timber and Iron required to construct 

 the Bath shown on page 658 opposite. 



s. d. 



19 8 ft. posts at is. . '.' r ';'.-' . o 19 o 



f 60 .. 12 10 ft. (super) lengths. 

 Framing to | 3 in. x 2 in. 



carry Iron. "I 30 . . 4 18 ft. lengths, and 4 12 ft. lengths. 



I 3 in. x i in. .. 



Bearers for ) 120 .. 4 1 8 ft. lengths, and 4 12 ft. lengths. 

 Floor Joists./ 4 in. x 3 in. 



Floor Joists. 220 . . 20 10 ft. lengths, 6 in. x 2 in. . '^ 

 Batten ) 120 .. 8 18 ft. lengths, and 812 ft. lengths. 



Carriers. / 6 in. x i in. 



630 super ft. heart timber at 12s. per 100 . . 3 16 3 

 v i 516 .. 1 6 1 8 ft. lengths, and 16 14 ft. lengths 



e- j TI -t ! for the 4 sides, and 8 12 ft. lengths, 



5> f and 8io ft. lengths for the two ends 



) 6 in. x i in. . . 3 3 o 



2-in. Battens for) Sold in lineal quantities, 2 in. x i in. in 150 



Floors & Gates./ 18 ft. lengths. 



(135 18 ft. lengths will be required for the floor, the remaining 15 lengths 

 coming in for gates, etc. Battens to be set about in. apart.) 



2700 feet at 2s. 6d. per 100 . . . . 3 7 6 



In building a dipping bath of timber, tar should be plentifully used 

 throughout to preserve it. 



Galvanised Iron^l 32 10 ft. sheets 26 gauge . . about 5 10 o 



under About 80 feet of 5 in. spouting O. G., 1 



Draining Pens. J with two elbow joints . . . .120 



Wallace's Patent Dipper (Plate CCVII.) has a sunk gal- 

 vanised iron tank or bath, into which a cage holding a sheep 

 is lowered and elevated by rack and pinion. The inlet door 

 closes automatically to prevent a second sheep from following. 

 As the cage descends, the dip surges through perforated side 

 plates, and thoroughly saturates the fleece. The exit door 

 automatically lifts up when the cage on being raised reaches 

 a certain point, and the animal is free to pass out When it 

 is clear of the cage, the exit door closes and stops the sheep 

 stepping in at the other end. A supply of mixed dip is 

 1 A trade term for a particular form of spouting. 



