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Plows -- Testing

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• Plows
• Agricultural machinery -- Testing
• Testing

• Recueils d'agriculture (Leroy-Berger, 1800), by François Delporte and Société d'agriculture et des arts de Boulogne-sur-Mer (page images at HathiTrust)
• Draft tests of plows (1904), by Charles A. Ocock (page images at HathiTrust; US access only)

Items below (if any) are from related and broader terms.

• Horse-Hoeing Husbandry (fourth edition; London: Printed for A. Millar, 1762), by Jethro Tull (multiple formats at archive.org)
• Horse-Hoeing Husbandry, or, An Essay on The Principles of Vegetation and Tillage: Designed to Introduce a New Method of Culture, Whereby the Produce of Land Will Be Increased, and the Usual Expence Lessened ; Together with Accurate Descriptions and Cuts of the Instruments Employed in It (third edition; London: Printed for A. Millar, 1751), by Jethro Tull
  • page images at Google
  • page images at HathiTrust
• Jethro Wood, inventor of the modern plow. A brief account of his life, services and trials; together with facts subsequent to his death, and incident to his great invention. (Rhodes & McClure, 1882), by Frank Gilbert (page images at HathiTrust)
• Power and the plow (Doubleday, Page & Company, 1911), by L. W. Ellis and Edward Aloysius Rumely (page images at HathiTrust; US access only)
• A treatise on ploughs and wheel carriages ... (Printed for the author, 1784), by James Small (page images at HathiTrust)
• Der bestmoglichste pflug, auf erfahrung und mathematische grundsätze gestützt (Im verlage der Realschulbuchhandlung, 1805), by J. Bailey (page images at HathiTrust)
• Glückwunsch und festgabe. Der Königlichen universität zu Greifswald bei dem beginne des fünften jahrhunderts ihres bestehens dargebracht von der Königlichen staats- und landwirthschaftlichen academie zu Eldena... (Druck von F. W. Kunike, 1856), by Ger. Eldena, Edmund i. e. August Edmund Segnitz, and Edward Baumstark (page images at HathiTrust)
• Der pflug, im allgemeinen und in betracht seiner einzelnen theile ... (Baumgärtner, 1843), by C Fr Richter (page images at HathiTrust)
• Steam cultivation in England. : A paper read before the Farmers' Club of the American Institute. (Evening Post Steam Presses, 1872), by James H. Van Alen (page images at HathiTrust)
• The horse hoeing husbandry, or, A treatise on the principles of tillage and vegetation : wherein is taught a method of introducing a sort of vineyard culture into the corn fields, in order to increase their product and diminish the common expense (Printed for John M. Cobbett, 1822), by Jethro Tull and William Cobbett (page images at HathiTrust)
• Geschichte des Pfluges (C.F. Winter, 1845), by Karl Heinrich Rau (page images at HathiTrust)
• Die entstehung der pflugkultur (unsres ackerbaus) (C. Winter, 1909), by Eduard Hahn (page images at HathiTrust; US access only)
• Charrues et houes interceps; études systématique (Impr. Roumegous et Dehan, 1914), by Pierre Larue (page images at HathiTrust; US access only)
• La culture profonde et les améliorations foncières (Larousse, 1911), by René Dumont (page images at HathiTrust; US access only)
• El arado : su historia, su organismo considerado en sus detalles y en su conjunto modificaciones y perfeccionamientos experimentados en nuestros dias. (Librería de los hijos de D.J. Cuesta, 1886), by Pedro Julían Muñoz y Rubio (page images at HathiTrust)
• Wildlife Resources Management Manual : section 8.2.5. (U.S. Army Engineer Waterways Experiment Station ;, 1986), by T. B. Doerr, Environmental Impact Research Program (U.S.), United States Army Corps of Engineers, and U.S. Army Engineer Waterways Experiment Station (page images at HathiTrust)
• Plows and plowing (Extension Service, College of Agriculture, University of Wisconsin, 1950), by H. D. Bruhn, O. I. Berge, and University of Wisconsin. Extension Service (page images at HathiTrust; US access only)
• Der Pflung der Anhäufler und der Wühler. (Braumüller, 1851), by Karl Kleyle (page images at HathiTrust)
• Plow stories (E.P. Dutton & company, 1923), by Clara Dillingham Pierson (page images at HathiTrust)
• Report on the trial of plows held at Utica, Sept. 8, 1867, with a supplement showing the results of a special trial at Brattleboro, to determine several disputed questions respecting the action of the plow. (Van Benthysen & sons., 1868), by New York State Agricultural Society (page images at HathiTrust)
• Steam plowing. Description of the operations of the Williamson road steamer and steam plow, on the seed farms of Messrs. (D. D. Williamson, 1873), by Douw D. Williamson (page images at HathiTrust)
• A study of the plow bottom and its action upon the furrow slice ... ([Washington, D.C., 1918), by Earl Archibald White (page images at HathiTrust)
• A letter on the construction and use of the improved foot ploughmicroform (Printed for C. Dilly, 1784), by Essex farmer (page images at HathiTrust)
• Russki͡a sokha, ei͡a istorīi͡a i vidy; ocherk iz istorīi russkoĭ zemledi͡elʹ-cheskoĭ kulʹtury. (Gub. tip., 1908), by D. K. Zelenin (page images at HathiTrust; US access only)
• Report on the trial of plows, held at Utica, by the N.Y. state agricultural society, commencing September 8th, 1867. With a supplement showing the results of a special trial at Brattleboro, to determine several disputed questions respecting the action of the plow. (Printing house of C. Van Benthuysen & sons, 1868), by New York state agricultural society (page images at HathiTrust)
• Plowing with moldboard plows (U.S. Dept. of Agriculture, 1954), by I. F. Reed (page images at HathiTrust)
• Moldboard plows (U.S. Dept. of Agriculture, 1961), by I. F. Reed (page images at HathiTrust)
• Ueber den den Mangel des Holzes, besonders des Eichenholzes, am besten ersetzenden Lerchenbaum (Pinus larix) : nebst Anweisung zur Holzzucht, insbesondere der Lerchen, und mit 2 anhängen über die Weymouthskiefer (Pinus strobus) und einem neu erfundenen Reolpflug mit Riss dazu (B. Fr. Voigt, 1830), by J. C. A. Blauel (page images at HathiTrust)
• Neuanlage und Kultur der Weingärten mit dem Pfluge (R. Thimm, 1898), by Siegfried Gerstl (page images at HathiTrust)
• Allen's digest of plows, with attachments, patented in the United States from A.D. 1789 to January 1883 ... (Joseph Bart, Printer, 1883), by James T. Allen (page images at HathiTrust)
• Report on the trial of plows, held at Utica, by the N.Y. State Agricultural Society, commencing September 8th, 1867. With a supplement showing the results of a special trial at Brattleboro, to determine several disputed questions respecting the action of the plow. (Printing house of C. Van Benthuysen , 1868), by New York State Agricultural Society (page images at HathiTrust)
• A supplement to a new system of cultivation without lime, or dung, or summer fallows, as practised at Knowle Farm, in the County of Sussex, containing observations upon the construction and uses of a new agricultural implement, with some notices on calcining clay or soil, and on burning with stubble the surface soil for manure. (Printed by G. and W. Nicol ..., 1821), by Alexander Beatson (page images at HathiTrust)
• A study of the plow bottom and its action upon the furrow slice ... ([Washington, D.C., 1918), by Earl Archibald White (page images at HathiTrust)
• Tractor plow adjustment and operation (Agricultural Experiment Station, Agricultural Extension Service, Iowa State College, 1948), by Dale O. Hull (page images at HathiTrust; US access only)
• The Light draft Brantford sulky plow and Nor'-West sulky gang plow manufactured by Cockshutt Plow Co., Limited, Brantford, Ont. .. (s.n., 1883), by Cockshutt Plow Co (page images at HathiTrust)
• Plows and plowing (Dept. of Agriculture, 1920), by J. Macgregor Smith and Saskatchewan. Dept. of Agriculture (page images at HathiTrust)
• Foot-plow agriculture in Peru. (1920), by O. F. Cook (page images at HathiTrust)
• Prolonging plowshare service (University of Idaho, Agricultural Experiment Station, 1934), by Hobart Beresford and Elmer N. Humphrey (page images at HathiTrust; US access only)
• The fertility of the land; a summary sketch of the relationship of farm-practice to the maintaining and increasing of the productivity of the soil. (The Macmillan Company, 1903), by Isaac Philips Roberts (page images at HathiTrust; US access only)
• The advantages of deep and thorough preparation of the soil. (Alabama Polytechnic Institute, 1886), by Walter H. Gardner (page images at HathiTrust)
• Tractor plowing at its best ... (Chicago, Ill., 1900), by International Harvester Company (page images at HathiTrust)
• La motoculture, travail mécanique du sol; principes agrologiques, outillage-pratique agricole. (Librairie Hachette, 1912), by C. Julien (page images at HathiTrust; US access only)
• Plow adjustment and operation (University of Missouri, Agricultural Experiment Station, 1942), by Mack M. Jones and Lloyd Eldrid Hightower (page images at HathiTrust; US access only)
• The Killefer tillage system : the modern way to better yields (Killefer Manufacturing Corp., 1928), by Killefer Manufacturing Corp (page images at HathiTrust)
• Horse-hoeing husbandry (Printed for A. Millar, 1751), by Jethro Tull (page images at HathiTrust)
• The application of soil fumigants with a plow (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1947), by William Carmichael Cook, M. C. Lane, and United States. Bureau of Entomology and Plant Quarantine (page images at HathiTrust)
• Horse-hoeing husbandry : or, an essay on the principles of vegetation and tillage. Designed to introduce a new method of culture; whereby the produce of land will be increased, and the usual expence lessened. Together with accurate descriptions and cuts of the instruments employed in it., by Jethro Tull (Gutenberg ebook)
• Jethro Wood, Inventor of the Modern Plow.: A Brief Account of His Life, Services, and Trials; Together with Facts Subsequent to his Death, and Incident to His Great Invention, by Frank Gilbert (Gutenberg ebook)
• John Deere's Steel Plow, by Edward C. Kendall (Gutenberg ebook)

More items available under broader and related terms at left.