178 



AST EGG FARM. 



great to be shown in the diagram. The two cranks in 

 the cut are supposed to be at the nearby pens, corre- 



FIG. 80. TILT BOXES TURNED. 



spending to the point A in Fig. 83, so as to be within 

 easy reach of the operator. 



A row of cylinders over distant pens are seen in the 

 background of Fig. 96. As previously stated, the cyl- 

 inder axle of the nearby pens may be revolved by means 



