. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. SPRAY NOZZLE FOR OIL WITH WATER, ETC. 115 The <reiieral structure of our apparatus has ah'eady beeu indicated by the quotation from ]\Ir. Marhitt. A compressed-air pumj) was attached to two steel boilers, which were connected so that the same pressure was constant upon both of them. Oil was placed in one tank and water in the other, and a lead of hose carried each sepa- rately to the extension rod which kept them separate until after they had left the nozzle. The ijeneral appearance of the pump Avas much. Kic.


. Bulletin. Insects; Insect pests; Entomology; Insects; Insect pests; Entomology. SPRAY NOZZLE FOR OIL WITH WATER, ETC. 115 The <reiieral structure of our apparatus has ah'eady beeu indicated by the quotation from ]\Ir. Marhitt. A compressed-air pumj) was attached to two steel boilers, which were connected so that the same pressure was constant upon both of them. Oil was placed in one tank and water in the other, and a lead of hose carried each sepa- rately to the extension rod which kept them separate until after they had left the nozzle. The ijeneral appearance of the pump Avas much. Kic. 7.—Compressed-air pump, suitable for spraying a mochanical mixture of oil and water, when fitted with the nozzle herein described. like that in figure 7, which is tlial t)f a compressed-air sprayer made by an Ohio manufacturer, but which was not designed for using oil and water. The extension rod and nozzle are shown in figure G. The rod is constructed of brass, is of any desired base, and consists of an inner tube carrying the oil for the hose connecting it with the oil tank and an outer tube connected with hose to the water tank. At the end of the rod proper the base of the nozzle was screwed on, which. 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 United States. Bureau of Entomology. Washington : G. P. O.


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Keywords: ., bookcentury1900, bookdecade1900, booksubje, booksubjectentomology