Papers Upon the Supply of Water to TownsE. & F.N. Spon, 1865 - 53 pages |
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Page 9
... raised into the atmosphere to be again precipitated in the form of rain ; of this a portion is again evaporated - another portion absorbed , while another portion may find its way back to the ocean - its original source . Thus it is ...
... raised into the atmosphere to be again precipitated in the form of rain ; of this a portion is again evaporated - another portion absorbed , while another portion may find its way back to the ocean - its original source . Thus it is ...
Page 14
... raise it ; but the purity and freshness of the water can never be compared with that stored in underground receptacles . The size of a tank for storing the rainfall should be sufficient to give a supply during the longest periods of ...
... raise it ; but the purity and freshness of the water can never be compared with that stored in underground receptacles . The size of a tank for storing the rainfall should be sufficient to give a supply during the longest periods of ...
Page 17
... procure a fall , so as to enable the water to be distributed , without mechanical means being required to raise it , to give sufficient pressure . QUALITY OF WATER TAKEN FROM DRAINAGE AREAS . In laying THE SUPPLY OF WATER TO TOWNS . 17.
... procure a fall , so as to enable the water to be distributed , without mechanical means being required to raise it , to give sufficient pressure . QUALITY OF WATER TAKEN FROM DRAINAGE AREAS . In laying THE SUPPLY OF WATER TO TOWNS . 17.
Page 33
... raised from the lower shaft . In this chamber a lower shaft is sunk , which is an excavation 15 ft . by 9 ft . and 130 ft . deep . Round the upper shaft a spiral passage , 6 ft . 4 in . wide and 7 ft . 2 in . high , is cut , separated ...
... raised from the lower shaft . In this chamber a lower shaft is sunk , which is an excavation 15 ft . by 9 ft . and 130 ft . deep . Round the upper shaft a spiral passage , 6 ft . 4 in . wide and 7 ft . 2 in . high , is cut , separated ...
Page 43
... raised by the rope in this system seems at first to commend itself ; but in practice , when sinking deep wells , it ... raising and lowering a long length of rod , either to change the tool or bring up the débris . Various attempts have ...
... raised by the rope in this system seems at first to commend itself ; but in practice , when sinking deep wells , it ... raising and lowering a long length of rod , either to change the tool or bring up the débris . Various attempts have ...
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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