. Bulletin of the Department of Agriculture. Agriculture; Agriculture. 20 BULLETIN 831, U. S. DEPARTMENT OF AGRICULTURE. reasonably well founded. The Throop College experiments were conducted by Mr. E. X. Allen, a student of the institute, as a basis for a thesis, and were directed by Professors Ford and Thomas, also of the college, and Mr. Louis C. Hill, of Los Angeles. The Fort Collins tests were conducted by the writer, at the cooperative hydraulic laboratory of the United States Bureau of Public Roads and the Colorado Experiment Station and, of course, all of these tests must be given
. Bulletin of the Department of Agriculture. Agriculture; Agriculture. 20 BULLETIN 831, U. S. DEPARTMENT OF AGRICULTURE. reasonably well founded. The Throop College experiments were conducted by Mr. E. X. Allen, a student of the institute, as a basis for a thesis, and were directed by Professors Ford and Thomas, also of the college, and Mr. Louis C. Hill, of Los Angeles. The Fort Collins tests were conducted by the writer, at the cooperative hydraulic laboratory of the United States Bureau of Public Roads and the Colorado Experiment Station and, of course, all of these tests must be given only such weight as would result from a laboratory rather than a working model. They will tend to encourage research. Fig. 0.—Cross-section outline of Lagolunga Reservoir siphon spillway. This is a typical example of the siphons installed in Europe where there is no trash or floating ice to clog the throat. to develop the proper data from tests in a full-size structure, and suggest the study of such points as were not touched upon in the lab- oratory tests and will also stand as a guide to the finding of causes for the peculiar behavior in the smaller models. Great care was exercised in the design of the model siphons to obtain theoretically correct proportions for the intake, throat, outlet chamber, and outlet opening, both with and without the lower seal. In the models for the Throop College experiments corrections were made for the friction coefficient of the materials as shown in standard tables. The outline of one of the models is shown in figure. 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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