Illustrations of the Croton Aqueduct

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Wiley and Putnam, 1843 - Aqueducts - 152 pages
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Page 137 - Hard water, drawn fresh from the well, will assuredly make the coat of a horse unaccustomed to it stare, and it will not unfrequently gripe and otherwise injure him. Instinct or experience has made even the horse himself conscious of this, for he will never drink hard water if he has access to soft, and he will leave the most transparent and pure water of the well for a river, although the stream may be turbid, and even for the muddiest pool...
Page 147 - ... it is a solvent of various alimentary substances, and therefore assists the stomach in the act of digestion, though, if taken in very large quantities, it may have an opposite effect, by diluting the gastric juice.
Page 65 - Commissioners, whose duty it was, by said act, declared to be " to examine and consider all matters relative to supplying the city of New York with a sufficient supply of pure and wholesome water, for the use of its inhabitants, and the amount of money necessary to effect that object.
Page 8 - Musical ever ; while from yon blue hills Dim in the clouds, the radiant aqueducts Turn their innumerable arches o'er The spacious desert, brightening in the sun, Proud and more proud in their august approach High o'er irriguous vales and woods and towns, Glide the soft whispering waters in the wind, And here united pour their silver streams Among the figured rocks, in murmuring falls, Musical ever.
Page 130 - ... plants beneath are protected by the congealed water from the influence of the atmosphere, the temperature of which, in northern winters, is usually very much below the freezing point ; and this water becomes the first nourishment of the plant in early spring. The expansion of water during its congelation, at which time its volume increases...
Page 136 - All the animals (cows, calves, and horses) which drank of this water became seriously ill , and in eight years the plaintiff lost twenty-four cows and nine calves, all of a disease (dysentery) accompanied by nearly the same symptoms. It was also shown that the animals sometimes refused to drink the water : that the mortality was in proportion to the quantity of starch made at different times ; and that, subsequently, when the putrescent matter was not 'allowed to pass into the brook, but was conveyed...
Page 55 - mid his oraison hears Aghast the voice of Time, disparting towers, Tumbling all precipitate down-dash'd, Rattling around, loud thundering to the Moon; While murmurs soothe each awful interval Of ever-falling waters ; shrouded Nile ', Eridanus, and Tiber with his twins, And palmy Euphrates; they with dropping locks Hang o'er their urns, and mournfully among The plaintive-echoing ruins pour their streams.
Page 144 - ... 4. Water, which contains less than about an 8000th of salts in solution, cannot be safely conducted in lead-pipes, without certain precautions. 5. Even this proportion will prove insufficient to prevent corrosion, unless a considerable part of the saline matter consist of carbonates and sulphates, especially the former.
Page 55 - The pilgrim oft, At dead of night, mid his oraison hears Aghast the voice of Time, disparting towers, Tumbling all precipitate down-dash'd, Rattling around, loud thundering to the moon...
Page 140 - ACID. (Sulphuretted Hydrogen.) This yields a dark (brown or black) precipitate, (a metallic sulphuret) with water containing iron or lead in solution. 11. EVAPORATION AND IGNITION. If the water be evaporated to dryness, and ignited in a glass tube, the presence of organic matter may be inferred by the odor and smoke evolved, as well as by the charring.

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