. Destructive insects. Insect pests. Fig. 52. The San Jose nozzle (Fig. 52) can be used for the lime, salt, and sulphur wash. A rubber disk is used and does very fine work. For caustic washes or kerosene emulsion, a brass disk is placed instead of the rubber. Recently an improvement has been made for cleaning this. Fig. 53. nozzle. It consists of a sliding disk in which are several slits and a circular hole. If, when using a fine spray, it should clog, slide the disk over to the hole, when the coarse stream will remove the obstruction. The Bean nozzle (Fig. 53) is a very handy nozzle, and is w
. Destructive insects. Insect pests. Fig. 52. The San Jose nozzle (Fig. 52) can be used for the lime, salt, and sulphur wash. A rubber disk is used and does very fine work. For caustic washes or kerosene emulsion, a brass disk is placed instead of the rubber. Recently an improvement has been made for cleaning this. Fig. 53. nozzle. It consists of a sliding disk in which are several slits and a circular hole. If, when using a fine spray, it should clog, slide the disk over to the hole, when the coarse stream will remove the obstruction. The Bean nozzle (Fig. 53) is a very handy nozzle, and is well made. It has a coarse as well as a fine adjustment, and can be easily 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
