Draining for Profit: And Draining for HealthOrange Judd Company, 1890 - 252 páginas |
Dentro del libro
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Página 4
... contour lines .. 6. - Levelling instrument .. 66 8. - Map with contour lines .. 9. - Wells ' Clinometer .... 10. - Stone pit to connect spring with drain . 11. - Stone pit and tile - basin for same object ... 12. - Line of saturation ...
... contour lines .. 6. - Levelling instrument .. 66 8. - Map with contour lines .. 9. - Wells ' Clinometer .... 10. - Stone pit to connect spring with drain . 11. - Stone pit and tile - basin for same object ... 12. - Line of saturation ...
Página 49
... contour lines of the land , or the lines of equal elevation , -also called the horizontal lines , -which serve to show the shape of the surface . To do this , stake off the field into squares of 50 feet , by first running a base line ...
... contour lines of the land , or the lines of equal elevation , -also called the horizontal lines , -which serve to show the shape of the surface . To do this , stake off the field into squares of 50 feet , by first running a base line ...
Página 50
... 1 / 6.8 16.9 16.9 16.5. Fig . 4. MAP OF LAND , WITH SWAMPS , ROCKS , SPRINGS , AND TREES . INTENDED TO REPRESENT A FIELD OF TEN ACRES BEFORE DRAINING . Fig . 8. - MAP WITH CONTOUR LINES . Fig. 50 DRAINING FOR PROFIT AND HEALTH .
... 1 / 6.8 16.9 16.9 16.5. Fig . 4. MAP OF LAND , WITH SWAMPS , ROCKS , SPRINGS , AND TREES . INTENDED TO REPRESENT A FIELD OF TEN ACRES BEFORE DRAINING . Fig . 8. - MAP WITH CONTOUR LINES . Fig. 50 DRAINING FOR PROFIT AND HEALTH .
Página 51
... CONTOUR LINES . 11.8 14.3 fractions of a foot , and is furnished with a HOW TO LAY OUT A SYSTEM OF DRAINS . 51.
... CONTOUR LINES . 11.8 14.3 fractions of a foot , and is furnished with a HOW TO LAY OUT A SYSTEM OF DRAINS . 51.
Página 53
... lines show , with sufficient accuracy for practical purposes , the elevation and rate of inclination of all parts of ... contour lines cross the section lines are found in the following manner : On the second line from the west side of ...
... lines show , with sufficient accuracy for practical purposes , the elevation and rate of inclination of all parts of ... contour lines cross the section lines are found in the following manner : On the second line from the west side of ...
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Draining for Profit, and Draining for Health George E 1833-1898 Waring Sin vista previa disponible - 2015 |
Términos y frases comunes
acre agricultural allow basin bottom brick bushels carried cause cents clay collars commenced condition connection considerable contour lines cost course covered crop cultivation deposit depth discharge diseases distance ditch drainage dyke earth effect Ensilage evaporation fall Farm farmer feet deep fever field fifth column filled flow foot four feet Gisborne grade ground Hackensack River heat heavy rain houses improvement inches joints kiln labor laid land lateral drains laying length less lower main drain malarious manure marsh matters moisture muddy water nearly necessary obstruction operation outlet particles pipes placed plants plow porous practice prevent quantity rain-fall removed result retentive roots salt marsh saturated season sewage sewers shown in Fig side silt silt-basin slope soakage soil spring stakes steepest descent stone subsoil sufficient surface tide tile tile-draining tion typhoid fever undrained upper end whole width