. Chemical weed-control equipment. Weeds; Spraying; Spraying equipment. Boom hinges or swivel joints may be bought which will carry liquid as they turn. Or a simple welded hinge, such as. 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 Akesson, Norman B. (Norman Berndt), 1914-; Harvey, W. A. (William Alfred), 1914-1989. Berkeley, Calif. : University of California, College of Agriculture, Agricultural Experiment Station

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Keywords: ., bookcentury1900, bookpubli, booksubjectspraying, booksubjectweeds