| Bul. 1358, U. S. Dept. of Agriculture PLATE Vi 
F165898 : F16é5892 
Fic. |.—GoOoD PRACTICE FIG. 2.—POOR PRACTICE 
he Expensive engine pumping equipment should be housed for protection against the weather 
S53, SRSA ED SS 
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\ F172771 
i FiG. 3.—COUNTERBALANCES ARE SOMETIMES USED TO _ FACILITATE 
i PUMPING FROM DEEP WELLS BY WIND 
ih In the device here shown the suspended rock-filled drums counterbalance in large part the 
| very heavy pump rod of a well 1,200 feet in depth 
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