. Destructive insects. Insect pests. Fig. 35. Fig. 36. The Fountain pump, or Hydronettef (Fig. 34), is also a very good apparatus, and can be used for various purposes. It is especially good for spraying trees infested with insect pests in close quarters. This pump is made of brass with a rubber hose attached for suction. The pump has two brass cylinders fitting one into the other, and works on the principle of a syringe. Mr. A. Block, the extensive orchardist of *R. S. Chapman, IS California Street, San Francisco. t Woodin & Little, 312 Market Street, San Francisco; Holbrook, Merrill &
. Destructive insects. Insect pests. Fig. 35. Fig. 36. The Fountain pump, or Hydronettef (Fig. 34), is also a very good apparatus, and can be used for various purposes. It is especially good for spraying trees infested with insect pests in close quarters. This pump is made of brass with a rubber hose attached for suction. The pump has two brass cylinders fitting one into the other, and works on the principle of a syringe. Mr. A. Block, the extensive orchardist of *R. S. Chapman, IS California Street, San Francisco. t Woodin & Little, 312 Market Street, San Francisco; Holbrook, Merrill & Stetson, San 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 California. State board of horticulture. Division of entomology. [from old catalog]; Craw, Alexander. [from old catalog]. Sacramento, A. J. Johnston, supt. state printing
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectinsectpests, bookyear
