LIST OF ILLUSTRATIONS. 



Yll 



113 Lever for feed shelf 



114 A substitute for tilt box 



115 Shelves with cleats and bar ---- 



116 Apparatus for moving shelf 



117 Transverse section of house for layers 



118 Longitudinal section of house for layers - 



119 Apparatus for moving shelf - 



120 Crank made of piping 



121 Piece for attaching shaft to spool 



122 Homemade apparatus for moving shelf 



123 Feed trough side view ___ 



124 Feed trough closed, side view ---- 



125 Feed trough apparatus ----- 



126 Trip gong bell - - - 



127 Wire for gong - - - 



128 Interior alternate system 



129 Transverse section of house, alternate system 



130 Ground plan of house, alternate system - 



131 Tilt box for brooder chicks ---- 



132 House for layers ------- 



133 Large hand wheel ------ 



134 Screw pulley ----- __ 



135 Ground plan of house for layers 



136 Hot water heating system ..... 



137 Brooder house --_.___ 



138 Shaft with winch ------ 



139 Plan of brooder house - 



140 Ground plan of brooder house 



141 Tilt box with flap - 



142 Tilt box, parallel system - - 



143 Light tilt box - 



144 Tilt box, parallel system - 



145 Watching chicks at exercise - 



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