Water Supply: The Present Practice of Sinking and Boring Wells, with Geological Considerations and Examples of Wells ExecutedSpon, 1875 - 217 pages |
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Page 5
... sand , and the coal measures , which consist mainly of alternating beds of sandstones and shales with coal . The first of these divisions , the drift , consisting GEOLOGICAL CONSIDERATIONS . 5 Dining Room ditto ditto.
... sand , and the coal measures , which consist mainly of alternating beds of sandstones and shales with coal . The first of these divisions , the drift , consisting GEOLOGICAL CONSIDERATIONS . 5 Dining Room ditto ditto.
Page 7
... yield much larger quantities of water . The chalk is the great water - bearing stratum for the larger portion of the south of England . The water in it can be obtained either by means of GEOLOGICAL CONSIDERATIONS . 7 Ditto ditto, open- ...
... yield much larger quantities of water . The chalk is the great water - bearing stratum for the larger portion of the south of England . The water in it can be obtained either by means of GEOLOGICAL CONSIDERATIONS . 7 Ditto ditto, open- ...
Page 18
... small development , which greatly restrict the breadth of the surface occupied by the outcrop . It rarely exceeds a quarter of a mile , and is 1 generally very much less , often not more than 18 GEOLOGICAL CONSIDERATIONS . Ditto.
... small development , which greatly restrict the breadth of the surface occupied by the outcrop . It rarely exceeds a quarter of a mile , and is 1 generally very much less , often not more than 18 GEOLOGICAL CONSIDERATIONS . Ditto.
Page 20
... to be from the extent of their exposed surface , nevertheless they rarely contribute to the water supply of the wells sunk into the Lower Tertiary sands under London , the continuity 20 GEOLOGICAL CONSIDERATIONS . Ditto.
... to be from the extent of their exposed surface , nevertheless they rarely contribute to the water supply of the wells sunk into the Lower Tertiary sands under London , the continuity 20 GEOLOGICAL CONSIDERATIONS . Ditto.
Page 64
... necessary with the worms and wad - hooks , or the bell - box . The boring - rods , Figs . 61 , 62 , are in 3 , 6 , 10 , 15 , or 20 feet lengths , of wrought iron , preferably Swedish , and 64 WELL BORING . Ditto ditto and Sofa.
... necessary with the worms and wad - hooks , or the bell - box . The boring - rods , Figs . 61 , 62 , are in 3 , 6 , 10 , 15 , or 20 feet lengths , of wrought iron , preferably Swedish , and 64 WELL BORING . Ditto ditto and Sofa.
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Autres éditions - Tout afficher
Water Supply: The Present Practice of Sinking and Boring Wells. With ... Ernest Spon Affichage du livre entier - 1885 |
Water Supply: The Present Practice of Sinking and Boring Wells. With ... Ernest Spon Affichage du livre entier - 1885 |
Water Supply: The Present Practice of Sinking and Boring Wells, with ... Ernest Spon Affichage du livre entier - 1875 |
Expressions et termes fréquents
Banister Fletcher beds Blue Clay Boilers bore-hole boring rod boring tool boring-head bottom Brewery brick brickwork bucket Butte-aux-Cailles cast-iron chalk chisel Civil Engineers cloth CONTENTS Construction crown 8vo cuts depth Ditto Edmund Sharpe excavation feet deep feet O.D. flints foot Formulæ gallons a day gallons a minute grapnel gravel greensand Grey Hedgerley hole Hydraulic illustrated inches diameter Isometric Projection joint Keuper length lever London clay lower Lower Tertiary Machinery Marl means Mechanical Memoranda mottled clays numerous OOLITE outcrop passed Passy Pebbles pipe piston plates Pocket-Book post 8vo pump quantity Railway rainfall READING BEDS RED SAND red sandstone River rock rope royal 8vo Screw Propeller screwed second edition sewed shaft shell shown in Fig sinking Slide Steam steining stone strata stratum stroke sunk surface Surface Condensers Tables thickness tion trepan tubbing tube upper valve vertical water-bearing strata Waterworks weight wood engravings wrought-iron yield
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