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Updated: June 7, 2025
Yes, you would have to give it a shove, it wants it bad enough, and lay it on thick too, so as it will stick for one season. It reminds me of a Yankee I met at New York wunst, he was disposin' of a new hydraulic cement he had invented. Now cements, either to resist fire or water, or to mend the most delicate china, or to stop a crack in a stove, is a thing I rather pride myself on.
It takes a big company with capital to run the business of hydraulic mining as they do at Moore's Flat and North Bloomfield. Quartz mining is still worse. By the time you've sunk a shaft and put up a stamping-mill, you've mortgaged your quartz for more than it is worth, perhaps. It takes capital to run a quartz mine." "Yes," assented Brown, "this country has seen its best days."
"A principle, already well known in the arts, is that many, if not all, solids may be made to flow like liquids if only adequate pressure be applied. The making of lead tubes is a well-known practical illustration of this principle, for these tubes are formed simply by forcing solid lead by the hydraulic press through a mould which imparts the desired shape.
The next process was the lifting of the tube into its place, which was performed very deliberately and cautiously. It was raised by powerful hydraulic presses, only a few feet at a time, and carefully under-built, before being raised to a farther height. When it had been got up by successive stages of this kind to about 24 feet, an extraordinary accident occurred, during Mr.
Cadiz stands on a long, narrow peninsula, opposite which, on the mainland, the king built a hydraulic machine, to which the water was brought by pipes or canals from springs in a nearby mountain. This stream of cool, refreshing water poured upon a wheel, by which it was driven into an aqueduct crossing the bay into Cadiz. Here comes the fact behind the legend.
The quantity of water used in a hydraulic claim is from forty to two hundred inches. With one hundred inches, at least thirty cubic yards can be washed in ten hours, on an average; and three men can do all the work.
In the canons great dams were constructed to catch the flow from the melting snows of the mountains, and miles of flumes were built to carry the water to the mining grounds. Immense pipes were laid and altogether millions of dollars were invested in hydraulic mining.
Like the other, it consists in tapping the river above the Falls, and using the pressure of the water to drive the number of turbines, then restoring the water to the river below the Falls; but instead of a surface canal, the tail-race is a hydraulic tunnel or underground conduit.
A Hydraulic Mattress Press, capable of exerting a pressure of Twenty thousand tons. Being under the impression that there are many processes in the manufacturing arts, in which a perfectly controllable compressing power of vast potency might be serviceable, I many years ago prepared a design of an apparatus of a very simple and easily executed kind, which would supply such a desideratum.
To Saracenic tastes, shown by his building a palace like that of the khalif; to a devotion for poetry, exemplified by branding some of his own stanzas on his image-worshipping enemies; to the composition of music and its singing by himself as an amateur in the choir; to mechanical knowledge, displayed by hydraulic contrivances, musical instruments, organs, automatic singing-birds sitting in golden trees, he added an abomination of monks and a determined iconoclasm.
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