ILLUSTRATIONS 



Page. 

 Plate I. Ficr. 1. — Mast and boom stacker, with Jark^on fork. Fig. 2. — fable 



derrick, with grapple fork 28 



II. Fig. 1.— Derrick stacker, with Jackson fork. Fig. 2. — Derrick 



stacker, showing details 28 



III. Fig. 1. — Derrick mounted on wheels. Fig. 2. — Derrick with revolv- 



ing pole 28 



IV. Fig. 1 — A common type of hayrack. Fig. 2. — Pole stacker, with 



Jackson fork 28 



V. Fig. 1. — Lattice rack for feetling alfalfa to cattle. Fig. 2. — Box rack 



for feeding alfalfa to cattle 28 



YI. Fig. 1. — Lattice rack for feeding alfalfa to sheep. Fig. 2.— Box rack 



for feeding alfalfa to sheep 28 



YII. Fig. 1. — Baling grain hay, San Jose, Cal. Fig. 2. — Brome grass at the 



Kansas Experiment Station 28 



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