Papers Upon the Supply of Water to TownsE. & F.N. Spon, 1865 - 53 pages |
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Page 39
... Brickwork , which is universally used in steining wells in this country , not unfrequently fails in certain positions ; as by reason of admitting impure water when such water is under great pressure , or from the work becoming ...
... Brickwork , which is universally used in steining wells in this country , not unfrequently fails in certain positions ; as by reason of admitting impure water when such water is under great pressure , or from the work becoming ...
Page 40
... brickwork in the formation of wells , more especially as it has no merits superior to those of brick when used in such work ; however , if in any locality , by reason of its cheapness , it can be used , care should be taken to select ...
... brickwork in the formation of wells , more especially as it has no merits superior to those of brick when used in such work ; however , if in any locality , by reason of its cheapness , it can be used , care should be taken to select ...
Page 41
... brickwork above . When the excavation has been . carried on as far as convenient , recesses are made in the earth under the previous steining , and in these recesses the steining is carried up to the previous work . When thus supported ...
... brickwork above . When the excavation has been . carried on as far as convenient , recesses are made in the earth under the previous steining , and in these recesses the steining is carried up to the previous work . When thus supported ...
Page 42
... brickwork is piled on above , and the weight of the steining will carry it down as the excavation proceeds , until the friction of the sides overpowers the gravitating force or weight of the stein- ing , when it becomes , as it is ...
... brickwork is piled on above , and the weight of the steining will carry it down as the excavation proceeds , until the friction of the sides overpowers the gravitating force or weight of the stein- ing , when it becomes , as it is ...
Page 46
... brickwork . At the present time the well is yielding 3,500,000 gallons for the supply of the town ; the water available is estimated by Mr. Thomas Dale , the engineer for the works , as not less than 4,000,000 gallons in twenty - four ...
... brickwork . At the present time the well is yielding 3,500,000 gallons for the supply of the town ; the water available is estimated by Mr. Thomas Dale , the engineer for the works , as not less than 4,000,000 gallons in twenty - four ...
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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