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Updated: June 16, 2025
But our schools are run nowadays upon, as I said before, a high-pressure system. Too many children are packed into imperfectly ventilated schoolrooms, and the poor teachers are miserably overtaxed.
The horses can cheerfully do their mile in fifteen or twenty minutes, but they make more row about it than a high-pressure Mississippi steamer; and the crazy little trap is noisier in proportion to its size than anything I have ever seen, except perhaps an Indiana tree-toad. If you make an excursion outside the walls, the omnibus, noise and all, is inevitable; let it come.
A paddle steamer of 251 tons, 32-horse power. No. 2. A twin screw high-pressure steamer of 20-horse power, 108 tons. No. 3. A twin screw high-pressure steamer of 10-horse power, 38 tons. Nos. 4, 5. Two steel lifeboats, each 30 ft. by 9 10 tons each. These vessels were fitted with engines of the best construction by Messrs.
It may be the climate; it may be the high-pressure, fever-heated rate of modern living; it may as well be that those honest men who made their own apple whiskey and peach brandy, by their daily dram-drinking transmitted the taste which adulterated liquors, in the generation following, were to lash into uncontrollable appetite. But to my story.
It should, however, be recorded that the chief canal schemes in Scotland in this, the day of canals for internal commerce, preceding the day of railroads that was to come, were entrusted to Watt, who continued to act as engineer for the Monkland Canal. Small wrote him that he and Boulton had been talking of moving canal boats by the steam engine on the high-pressure principle.
Watt introduced his steam to the cylinder at only slightly more than atmospheric pressure and clung tenaciously to the low-pressure theory all his life. Boulton and Watt, indeed, aroused by Trevithick's experiments in high-pressure engines, sought to have Parliament pass an act forbidding high pressure on the ground that the lives of the public were endangered.
"Ah, that's it," said Power; "there's the pull you Scotch have upon us poor Patlanders, cool, calculating, long-headed fellows, you only come up to the mark after fifteen tumblers; whereas we hot-brained devils, with a blood at 212 degrees of Fahrenheit and a high-pressure engine of good spirits always ready for an explosion, we go clean mad when tipsy; not but I am fully convinced that a mad Irishman is worth two sane people of any other country under heaven."
When the engine was first tried, it was thought that the blast in the chimney was not strong enough to keep up the intensity of the fire in the furnace, so as to produce high-pressure steam in sufficient quantity.
Another fortunate circumstance, too, was, that the giant was smoking his pipe as he went, and even when Little Jacket almost lost sight of him, he could guess where he was from the clouds of smoke floating in the air, like the vapor from a high-pressure Mississippi steamboat.
It was not the material banquet which really mattered, but the thought of it; it was almost as futile to eat and take emetics and eat again as to invent telephones and high-pressure boilers. As for some other ancient methods of enjoying life, one might as well set oneself to improve calico printing at once.
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