SCIENCE OF THRESHING. 165 



PAGE. 



ENERGY 



By heat 84, 86 



ENGINE 



Adjustment of , 71 



Cylinder 121 



Cylinder rings 149, 151 



Explanation of 121 



Guiding 144 



Leaking of 147, 148, 149 



On the road 142 



Parts of 123, 124, 133 



Rocking to and fro 52 



Setting 145 



Starting 141 



The steam 121 



Traction 133 



FAN 



Construction of 34 



Operation of 58, 59 



Overblast 35 



Sound of 58 



Underblast 35, 60 



Wear of 59 



FEED BOARD 



Position of 22 



Shape of 22 



FEEDERS 



The working of 75 



FEEDING 



Plan of 1 8, 43 



