Draining for Profit: And Draining for HealthOrange Judd Company, 1890 - 252 páginas |
Dentro del libro
Resultados 1-5 de 9
Página 12
... ( Figures 1 , 2 and 3 , ) from the " Minutes of Information " on Drainage , submitted by the General Board of Health to the British Parliament in 1852 , represent the different conditions of the soil as to moisture , and the effect of ...
... ( Figures 1 , 2 and 3 , ) from the " Minutes of Information " on Drainage , submitted by the General Board of Health to the British Parliament in 1852 , represent the different conditions of the soil as to moisture , and the effect of ...
Página 82
... figures ; the first 2,000 feet of drains require a collecting drain of 2 - inch tile , which will take the water from 7,000 feet ; and for the outlet of from 7,000 to 20,000 feet 3 - inch tile may be used . Collars , being more subject ...
... figures ; the first 2,000 feet of drains require a collecting drain of 2 - inch tile , which will take the water from 7,000 feet ; and for the outlet of from 7,000 to 20,000 feet 3 - inch tile may be used . Collars , being more subject ...
Página 107
... figures in brackets between these , the number of feet between the stakes ; and the heavy figures at the left of the vertical lines , the recorded measurements of depth from the datum - line to the surface of the ground , which is ...
... figures in brackets between these , the number of feet between the stakes ; and the heavy figures at the left of the vertical lines , the recorded measurements of depth from the datum - line to the surface of the ground , which is ...
Página 109
... figures in this table , as well as in the next preceding one , are adopted for the published profile of drain C , Fig . 21 , to avoid confusion . In ordinary cases , the points which are fixed as the basis of the compu tation are given ...
... figures in this table , as well as in the next preceding one , are adopted for the published profile of drain C , Fig . 21 , to avoid confusion . In ordinary cases , the points which are fixed as the basis of the compu tation are given ...
Página 110
... figures in the sixth column , ) as well as to any necessity for placing the drain at certain depths at certain places , enter the desired depth , in pencil , in the last column , opposite the stakes marking those places . Then add ...
... figures in the sixth column , ) as well as to any necessity for placing the drain at certain depths at certain places , enter the desired depth , in pencil , in the last column , opposite the stakes marking those places . Then add ...
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