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Updated: September 11, 2025
The double-engine; consisting of two engines, primary and secondary, of which the steam-vessels and condensers communicate by pipes and valves, so that they can be worked either independently or in concert; and make their strokes either alternately or both together, as may be required. The employment of a toothed rack and sector, instead of chains, for guiding the piston-rod.
No vessels came, but instead only dismal and procrastinating letters. "We deeply lament," wrote Messrs. J. and S. Ricardo, the contractors for the Greek loan, in one of them, dated the 9th of September, "that, after all the exertions which have been used, we have not yet been able to despatch the two large steam-vessels. Everything has been ready for some time; but Mr.
It was well we got up when we did, for soon afterwards the whole river seemed covered with spluttering, hissing, smoking, panting, busy little steam-vessels, crossing to Birkenhead, on the Chester shore, or running up the river or down the river, or visiting vessels at anchor in the stream. The tide also had just turned.
The waters of these are pure, and impregnated chiefly with aluminous and calcareous matter, giving to the St. Lawrence river a fresh and admirable element and aliment. The St. Lawrence is of a fine cerulean hue, but, like its parent waters of Erie and Ontario, rapidly deposits lime and alumine, so that the boilers of steam-vessels, and even teakettles, soon become furred and incrusted.
Lake Ontario swarms with splendid British steam-vessels; but on Lake Huron there is only at present one, called in the Waterloo, in the employment of the Canada Company, which runs from Goderich to the new settlements of Owen's Sound. Propellers now go all the way to St. Joseph's, at the western extremity of Lake Huron; and the trade on this lake and on Michigan is becoming absolutely astonishing.
That night he thought of the little craft under the bows of the huge steam-vessels, powerless to make itself seen or heard, and Avice, now growing inexpressibly dear, sleeping in her little berth at the mercy of a thousand chance catastrophes. Honest perception had told him that this Avice, fairer than her mother in face and form, was her inferior in soul and understanding.
When applied to the propulsion of steam-vessels the screw is horizontal; and being put in motion by a steam-engine, drives the water backward, when its reaction, or return, propels the vessel. The mechanical ingenuity of Archimedes was next displayed in the various machines which he constructed for the defence of Syracuse during a three years' siege by the Romans.
Ireland, by J.B. Kinnear, quoted in the Fortnightly Review, April 1, 1881. But it is, at all events, plain that the reasons, arising from the difficulty and uncertainty of communication, which made its abolition impossible at the beginning of the century, have passed away with the introduction of steam-vessels and telegraphs. A Census is Ordered. Dissolution of Pitt's Administration.
About that time, the substitution of the Screw for the Paddle-wheel as a means of propulsion of steam-vessels was attracting much attention; and the performances of the "Archimedes" were so successful as to induce Mr. Brunel to recommend his Directors to adopt the new power. They yielded to his entreaty. The great engines which Mr.
Admiral Baudin, in his reports, indulged in some of the pardonable grumbling of a seaman of the old school about the constant ailments of the little steam-vessels; but he was too capable an officer to ignore their value, "and never," wrote Farragut in his report, "was the utility of these vessels so apparent. Everything was done by them.
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