. Bulletin of the Department of Agriculture. Agriculture; Agriculture. 28 BULLETIN" 115, U. S. DEPARTMENT OF AGRICULTURE. Suggested design for proportional division box.—The structure shown in Plate VII, figure 2, is a very common and very faulty type of installation. The division board is set so as to divide the check board in the box in the same proportion as the water right of. the consumer taking water through the small opening at the left of the box bears to the total water in the ditch. The area of the cross sections of the water in the two portions of the box may be propor- ti
. Bulletin of the Department of Agriculture. Agriculture; Agriculture. 28 BULLETIN" 115, U. S. DEPARTMENT OF AGRICULTURE. Suggested design for proportional division box.—The structure shown in Plate VII, figure 2, is a very common and very faulty type of installation. The division board is set so as to divide the check board in the box in the same proportion as the water right of. the consumer taking water through the small opening at the left of the box bears to the total water in the ditch. The area of the cross sections of the water in the two portions of the box may be propor- tional in the correct ratio, but the discharge through each part of the box equals the area multiplied by the velocity, and the latter is. 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. Dept. of Agriculture. [Washington, D. C. ?] : The Dept. : Supt. of Docs. , G. P. O.
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