Papers Upon the Supply of Water to TownsE. & F.N. Spon, 1865 - 53 sider |
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Side 4
... rods , that rise with the rainfall , are objectionable if the rod is exposed , as they are likely to exaggerate the rainfall of any district , be- cause the rod collects rain driving in an angular direction . In the tumbler gauge a ...
... rods , that rise with the rainfall , are objectionable if the rod is exposed , as they are likely to exaggerate the rainfall of any district , be- cause the rod collects rain driving in an angular direction . In the tumbler gauge a ...
Side 42
... rods , fitted with screws and nuts from cross timbers over the mouth of the well , and as the excavation is carried on below , brickwork is piled on above , and the weight of the steining will carry it down as the excavation proceeds ...
... rods , fitted with screws and nuts from cross timbers over the mouth of the well , and as the excavation is carried on below , brickwork is piled on above , and the weight of the steining will carry it down as the excavation proceeds ...
Side 43
... rod , consisting of a number of lengths jointed together ; a ver- tical and circular motion is given to the rods . In deep wells much time is necessarily lost in raising and lowering a long length of rod , either to change the tool or ...
... rod , consisting of a number of lengths jointed together ; a ver- tical and circular motion is given to the rods . In deep wells much time is necessarily lost in raising and lowering a long length of rod , either to change the tool or ...
Side 44
... rods hooped with iron have been substituted for the iron bar - tubular iron rods have been used , having the same weight per foot as the ordinary bar , but having a greater area ; when working in water they lose a portion of their ...
... rods hooped with iron have been substituted for the iron bar - tubular iron rods have been used , having the same weight per foot as the ordinary bar , but having a greater area ; when working in water they lose a portion of their ...
Side 51
... rods to another curb at the set - off , 267 ft . from the surface ; this latter curb , in its turn , was suspended by means of strong chains to the bottom of the cast - iron cylinders at 163 ft . from the surface . When the work had ...
... rods to another curb at the set - off , 267 ft . from the surface ; this latter curb , in its turn , was suspended by means of strong chains to the bottom of the cast - iron cylinders at 163 ft . from the surface . When the work had ...
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9 ft absorbed acres amount Artesian Arthur Phillips Bashforth Boilers bore-hole boring tool brick steining brickwork chalk character cloth collected construction Cottages crown 8vo deep depends depth diameter district drainage area drains earth engravings excavation foot furnish a supply gallons of water gallons per day gauge geological impervious impurities Institute Civil Engineers interstical spaces iron cylinders Joseph Gibbs Lancashire land matter Mechanical Member Institute Civil millstone grit nature P. L. Simmonds pipes Plate porous strata portion practical Pump quantity of water Railway rain gauge rainfall rate of evaporation red sandstone formation reservoirs River Exe River Ouse River Tees River Vartry river water rods royal 8vo Screw sewed shaft sinking soil springs Steam Engine stored supply is taken supply of water surface Surface Condensation temperature Thomas Docwra tion towns Treatise Valve vapour water capable water daily water level water per day water taken water yielded Zerah Colburn دو