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Updated: June 6, 2025
Felt, applied to the outside of a boiler, may accelerate its internal corrosion by keeping the steam in a surcharged state, when by the dispersion of a part of the heat it would cease to be in that state; boilers in which there is a large accumulation of scale must have worked with the water very salt, which necessarily produces surcharged steam; for the temperature of steam cannot be less than that of the water from which it is generated, and inasmuch as the boiling point of water, under any given pressure, rises with the saltness of the water, the temperature of the steam must rise with the saltness of the water, the pressure remaining the same; or, in other words, the steam must have a higher temperature than is due to its elastic force, or be in the state of surcharged steam.
Calogero in the Lipari Islands, where the horizontal strata of tuffs, forming cliffs 200 feet high, have been discoloured in places by the jets of steam often above the boiling point, called "stufas," issuing from the fissures; and similar instances are recorded by M. Virlet of corrosion of rocks near Corinth, and by Dr.
"Were you once in love with my wife?" he asked bluntly. His deference wore away under the corrosion of Steinberg and distress. "Let us choose our words, my dear M. Struboff. Once I professed attachment to Mlle. Mansoni." "She loved you?" "It is discourteous not to accept any impression that a lady wishes to convey to you," I answered, smiling.
"They have neither suffered," he continued, "from the corrosion of time nor the asceticism of a devotee, who vainly thought she was serving God by voluntarily withdrawing from a world into which he himself had sent her, and by foregoing duties which he had expressly ordained she should fulfil.
The United States has adopted a pure gun-cotton smokeless powder in which the temperature of combustion is not only lower than that of nitro-glycerine, but even lower than that of ordinary gunpowder. With the use of this there has been a very material decrease in the corrosion of the big guns.
Neither do uninterrupted prosperity and success qualify a man for usefulness and happiness. The storms of adversity, like the storms of the ocean, arouse the faculties and excite the invention, prudence, skill and fortitude of the voyager. It is not work that hurts men. It is the corrosion of uncertainty; it is the anticipation of trouble; it is living in a state of painful apprehension.
They had not in those days the art of making corrosion preparations, but they could in some way dissect to their finest ramifications the arteries, veins and nerves, which were then spread on boards and dried. Several such preparations are now at the College of Physicians in London, brought from Padua by Harvey.
This initiated an entire month during which the patient had not one moment of even partial unconciousness. In less than a week from the beginning the symptoms indicated a most obstinate chronic gastritis. There was a perpetual sense of corrosion at the pit of the stomach very like that which characterizes the fatal operation of arsenic.
We have been down to forty metres several times during this trip, and not once have we had a chance on the surface of getting at the two external tubes; add to which our depth gear, with the pivots of the weight exposed to water if the tube does flood and then you have rust, corrosion and heaven knows what complications.
The strength of the holding down bolts may easily be computed, when the elevating force of the piston or main centre is known; but it is expedient very much to exceed this strength in practice, on account of the elasticity of the keelsons, the liability to corrosion, and other causes. Q. What is the amount of tractive force requisite to draw carriages on railways?
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