30 BULLETIN 760, U. S. DEPARTMENT OF AGRICULTURE. 
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Fic. 17.—A beet harvester that is operated by steam power through the use of a steel 
cable. Two engines are required in this case, one at each end of the field. 
Fig. 18.—Topping sugar beets. A small hook attached to the end of the knife enables 
the worker to lift the loosened beet out of the soil. He then takes hold of the 
root with his left hand and cuts off the top. 
