. Injurious insects : how to recognize and control them . Insect pests; Insect pests. 94 SPRAY APPARATCS Barrel Pumps Barrel pumps of one tT,-pe or another are in use in the majority of orchards of moderate size where any spraying Ls done. Usual]}-they are motmted directly on a oO-gallon barrel, which ser\-es as the spray tank. Such ptmips have a capacity ranging from 1 to 4 gallons of. Fig. 60. A barrel pump. Uriginal. liquid per minute, and are intended to operate at a pressure of 100 to 125 potmds. They are capable of furnishing material for two leads of hose. Commonly the outfit is placed
. Injurious insects : how to recognize and control them . Insect pests; Insect pests. 94 SPRAY APPARATCS Barrel Pumps Barrel pumps of one tT,-pe or another are in use in the majority of orchards of moderate size where any spraying Ls done. Usual]}-they are motmted directly on a oO-gallon barrel, which ser\-es as the spray tank. Such ptmips have a capacity ranging from 1 to 4 gallons of. Fig. 60. A barrel pump. Uriginal. liquid per minute, and are intended to operate at a pressure of 100 to 125 potmds. They are capable of furnishing material for two leads of hose. Commonly the outfit is placed on a wagon of some kind, or on a sled. Unless the trees to be sprayed are headed low, there should be a simple tower or elevated platform, about 4 feet high, bolted to the wagon, on which one of the operators may stand while the other works from the Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original O'Kane, Walter Collins, b. 1877. New York : The Macmillan Company
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsectp, bookyear1912
