Farm Development: An Introductory Book in Agriculture, Including a Discussion of Soils, Selecting & Planning Farms, Subduing the Fields, Drainage, Irrigation, Roads, Fences, Together with Introductory Chapters Concerning Farm Business, and the Relations of General Science to AgricultureOrange Judd Company, 1910 - 391 páginas |
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Página viii
... scraper . 220 115a Fresno scraper . 221 116 Wheel scraper lowered for filling . 221 117 Reversible road machine making lateral ditches . 222 118 Form of ditch beside fence line .. 222 119 Elevating grader opening large ditch . 223 129 ...
... scraper . 220 115a Fresno scraper . 221 116 Wheel scraper lowered for filling . 221 117 Reversible road machine making lateral ditches . 222 118 Form of ditch beside fence line .. 222 119 Elevating grader opening large ditch . 223 129 ...
Página xi
... Fresno or wheel scraper 208 209 Wide road with heavy side ditches .. Use of wheel scrapers and plows in grading a cut through a hill ... 210 Dump wagon with drop bottom . 211 Substructure prepared for macadam surface . 212 First course ...
... Fresno or wheel scraper 208 209 Wide road with heavy side ditches .. Use of wheel scrapers and plows in grading a cut through a hill ... 210 Dump wagon with drop bottom . 211 Substructure prepared for macadam surface . 212 First course ...
Página 137
... Scraper , the Fresno Scraper , or even the Reversible Road Machine will do this work in many cases much more expeditiously than it can be done by hand . Mixing sand into clay soils , or mixing clay or muck into sandy soils , is done in ...
... Scraper , the Fresno Scraper , or even the Reversible Road Machine will do this work in many cases much more expeditiously than it can be done by hand . Mixing sand into clay soils , or mixing clay or muck into sandy soils , is done in ...
Página 218
... scraper is also useful in opening out large drains and in filling tile drains . The Fresno scraper is a modified form of the drag scraper much . used in the western states . It can be ad- justed to shaving off a thin layer of earth and ...
... scraper is also useful in opening out large drains and in filling tile drains . The Fresno scraper is a modified form of the drag scraper much . used in the western states . It can be ad- justed to shaving off a thin layer of earth and ...
Página 219
... Fresno scraper . The common field plow and the heavy road grading plow are sometimes used in opening out the first portion of small drains and loosening the earth in large ditches 2-4 Figure 113. Outlet which of necessity opens under ...
... Fresno scraper . The common field plow and the heavy road grading plow are sometimes used in opening out the first portion of small drains and loosening the earth in large ditches 2-4 Figure 113. Outlet which of necessity opens under ...
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Farm Development; An Introductory Book in Agriculture, Including a ... W. M. Hays Sin vista previa disponible - 2017 |
Términos y frases comunes
acre agricultural amount of water animals better biped bottom brace building canal capillary capillary action capstan carry cement cents clay construction corn corner post cost crop rotation crops cubic yard cultivation culverts datum deep depth drain tiles drainage earth engine expense farm home farmers farmstead feet fence fields flood water flow Fresno scraper furrow-slice furrows gate glacial glacier grade grain Grass gravel ground water height Illustrated inches instrument irrigation labor lake Lake Agassiz layer low area macadam material mile Minnesota Minnesota river Mississippi river mixed moisture necessary open ditch outlet particles peat plow practical profitable rain rainfall reversible road machine river road roller roadway rock roots rotation rural sand schools showing shown in Figure side soil spade station stone stream stumps subsoil tile drains tion tivated trees wagon wheat wire fence