THE TILT BOX. 161 



box is shown in Fig. 114, with a portion of its floor, 27, 

 curved. There are revolving arms, 32, and spokes, 33, 

 attached to the axle, 34. The box does not tilt or 

 revolve, the motion of the arms and spokes sufficing to 

 tir the litter. This apparatus works fairly well, and 



FIG. 65. ROW OF FEED CYLINDERS. 



better than several other mixing machines tried at our 

 establishment, but the tilt box excels all of them. 



The method of calling out the occupants of the tilt 

 box into an adjoining apartment remains to be described. 

 The reader is referred to Figs. 71 and 76, which, how- 

 ever, are not literal representations, but are intended 

 merely to show the principle. Figure 71 is in perspective, 

 11 



