The Online Books Page

Online Books by

W. R. Humphries

(Humphries, W. R. (Walter Raymond), 1886-)

Books from the extended shelves:

• Humphries, W. R. (Walter Raymond), 1886-: Barrel and desk seed scarifiers (U.S. Dept. of Agriculture, 1935), also by W. M. Hurst and Roland McKee (page images at HathiTrust)
• Humphries, W. R. (Walter Raymond), 1886-: Care and repair of mowers and binders (U.S. Dept. of Agriculture, 1936) (page images at HathiTrust)
• Humphries, W. R. (Walter Raymond), 1886-: Development of machinery for harvesting and storing grass silage (New Jersey Agricultural Experiment Station, 1941), also by Harry E. Besley and Claude Eby (page images at HathiTrust; US access only)
• Humphries, W. R. (Walter Raymond), 1886-: Equipment for applying dust fungicides to seed grain (U.S. Dept. of Agriculture, 1936), also by W. M. Hurst, R. W. Leukel, F. D. Fulton, and United States Department of Agriculture (page images at HathiTrust)
• Humphries, W. R. (Walter Raymond), 1886-: A farm machinery survey of selected districts in Pennsylvania (Pennsylvania State College, School of Agriculture and Experiment Station, 1929), also by H. B. Josephson and L. M. Church (page images at HathiTrust)
• Humphries, W. R. (Walter Raymond), 1886-: Harvesting small grain, soybeans, and clover in the Corn Belt with combines and binders (U.S. Dept. of Agriculture, 1931), also by L. A. Reynoldson and John H. Martin (page images at HathiTrust)
• Humphries, W. R. (Walter Raymond), 1886-: Harvesting wheat with a combined harvester-thresher in the Great Plains region, 1926. By R. S. Kifer, W. R. Humphries [and] J. H. Martin. A preliminary report. April, 1927. (U.S. Government Printing Office], 1927), also by United States. Bureau of Agricultural Economics, John H. Martin, R. S. Kifer, Montana College of Agriculture and Mechanic Arts, University of Nebraska--Lincoln. College of Agriculture, Oklahoma A & M College, and Prairie View Agricultural and Mechanical College (page images at HathiTrust)
• Humphries, W. R. (Walter Raymond), 1886-: The husker-shredder on eastern corn belt farms (U.S. Dept. of Agriculture, 1928), also by George W. Collier and Earl W. McComas (page images at HathiTrust)
• Humphries, W. R. (Walter Raymond), 1886-: Performance characteristics of 5 and 6-foot combines (U.S. Dept. of Agriculture, 1938), also by W. M. Hurst (page images at HathiTrust)
• Humphries, W. R. (Walter Raymond), 1886-: Removing smut balls from seed wheat (U.S. Dept. of Agriculture, 1935), also by W. M. Hurst, E. G. Boerner, R. W. Leukel, and United States Department of Agriculture (page images at HathiTrust)

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