Papers Upon the Supply of Water to TownsE. & F.N. Spon, 1865 - 53 pages |
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Page 4
... falling drops of rain . Rain gauges are of various forms , but those which have floats and graduated rods , that rise with the rainfall , are objectionable if the rod is exposed , as they are likely to exaggerate the rainfall of any ...
... falling drops of rain . Rain gauges are of various forms , but those which have floats and graduated rods , that rise with the rainfall , are objectionable if the rod is exposed , as they are likely to exaggerate the rainfall of any ...
Page 9
... falling in torrents to augment the runnels and runlets . From runnel to stream , from stream to river , the mass swells , and hurries downward and onward to the great receptacle whence the light and filmy vapour originally arose , there ...
... falling in torrents to augment the runnels and runlets . From runnel to stream , from stream to river , the mass swells , and hurries downward and onward to the great receptacle whence the light and filmy vapour originally arose , there ...
Page 11
... falling in many places on the chalk formation , while upon the clay soils , or impervious formation , the greatest part of the rain would generally be directly conveyed away by surface streams . The contour of a country , in a measure ...
... falling in many places on the chalk formation , while upon the clay soils , or impervious formation , the greatest part of the rain would generally be directly conveyed away by surface streams . The contour of a country , in a measure ...
Page 12
... falling on the surface penetrates it to various depths , forming for itself subter- raneous reservoirs , and it is from these reservoirs the water is emitted which keeps our rivers flowing and supplies water for vegetation , even in the ...
... falling on the surface penetrates it to various depths , forming for itself subter- raneous reservoirs , and it is from these reservoirs the water is emitted which keeps our rivers flowing and supplies water for vegetation , even in the ...
Page 15
... falling upon the surface of land , besides being partly evaporated and partly absorbed , has further a natural tendency to gravitate in the direction of the rivers and streams , which form the natural ducts or channels for carrying the ...
... falling upon the surface of land , besides being partly evaporated and partly absorbed , has further a natural tendency to gravitate in the direction of the rivers and streams , which form the natural ducts or channels for carrying the ...
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absorbed acres amount Boilers boring bottom brickwork carried chalk channels character circumstances cities Civil clay cloth collected connected consequently considerable considering construction containing continued Cottages cylinders daily deep dependent depth derive Details diameter direct district drainage area drains earth edition effect Engineers engravings evaporation example executed experiment falling flow foot formation furnish gallons of water gauge give greater head illustrated impervious impurities increase introduction iron land less limited lined London Marine materials matter mean measure Mechanical mode nature observed ordinary original owing partly pipes places Plate porous portion practical present probably procured Pump quantity of water rain rainfall raised receive reservoirs rivers rods royal sand Scale shaft sinking soil springs Steam steining stored strata sunk supply of water surface Table taken temperature tion tool towns Treatise Valve varies various yielded