Draining for Profit: And Draining for HealthOrange Judd Company, 1890 - 252 páginas |
Dentro del libro
Resultados 1-5 de 58
Página 4
... sides of drains in soft land .. 66 28. - Measuring staff . 66 29. - Boning - Rod . 66 Arables ) . 66 31. - Use of ... side . ..... ... 13 13 14 50 51 52 58 54 56 59 60 65 78 80 ..... 80 81 92 98 .106 .114 .118 .121 ..... .123 123 .124 ...
... sides of drains in soft land .. 66 28. - Measuring staff . 66 29. - Boning - Rod . 66 Arables ) . 66 31. - Use of ... side . ..... ... 13 13 14 50 51 52 58 54 56 59 60 65 78 80 ..... 80 81 92 98 .106 .114 .118 .121 ..... .123 123 .124 ...
Página 53
... side about one - fourth of the distance from the southern boundary , while an elevation coming down between these two valleys , and others skirting the west side of the former one and the southern side of the latter , are indicated by ...
... side about one - fourth of the distance from the southern boundary , while an elevation coming down between these two valleys , and others skirting the west side of the former one and the southern side of the latter , are indicated by ...
Página 55
... side of the map , ( Fig . 8 , ) indicates a rock three feet from the surface , which will be assumed to have been explored by sounding . In most cases , it will be sufficient to have contour lines taken only at intervals of two feet ...
... side of the map , ( Fig . 8 , ) indicates a rock three feet from the surface , which will be assumed to have been explored by sounding . In most cases , it will be sufficient to have contour lines taken only at intervals of two feet ...
Página 56
... side , or base , on which it stands , and a hollow disk just half filled with some heavy liquid . The glass face of the disk is surrounded by a graduated scale that marks the angle at which the surface of the liquid stands , with ...
... side , or base , on which it stands , and a hollow disk just half filled with some heavy liquid . The glass face of the disk is surrounded by a graduated scale that marks the angle at which the surface of the liquid stands , with ...
Página 57
... side is perpendicular or plumb . In like manner , the intervening angles are marked , and , by the aid of the following tables , the instrument indicates the rate of fall per hundred feet of horizontal measurement , and per hundred feet ...
... side is perpendicular or plumb . In like manner , the intervening angles are marked , and , by the aid of the following tables , the instrument indicates the rate of fall per hundred feet of horizontal measurement , and per hundred feet ...
Otras ediciones - Ver todas
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