THE ALTERNATE AXD PARALLEL SYSTEMS. 



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already built, that is arranged essentially like Fig. 136, 

 tilt boxes can be introduced. Whenever tilt boxes are 

 put into a building of this sort or of the kind shown in 

 Fig. 102, it will be necessary to dig a pit in which the 



m 



winch or lever may turn and the attendant stand while 

 operating the same. 



If you hatch chickens artificially on a small scale, 

 using only two, three or four brooders at a time, the 

 best way will be to adopt the alternate plan and have no 

 continuous axle with its lever or crank, and dispense also 

 with feed cylinders or feed shelves. Rotate each tilt box 



