SPRAYING THE APPLE ORCHARD. 



49 



form was built on a side hill along the roadway and near 

 the water supply. On either side is the barrel of stock 

 solution of lime and bluestone. In the middle is a large 

 box lined with zinc and holding slightly over a barrel, which 

 is raised above the platform and from, the lower end of 

 which leads a hose. On top of this tank, are two half bar- 



FiG. 3Z:— The platform and tanks for making Bordeaux mixture. 



rels, each of which has a hole in the bottom plugged l)y a 

 stick, which reaches up above the top of the half barrel. The 

 stock solutions are put into either of these half barrels and 

 they are then filled with water from the hose. The plugs are 

 then withdrawn and the dilute solutions flow into the tank 

 beneath, where they are stirred while mixing. When the 

 sprayer arrives from the orchard this tank of Bordeaux 



