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Updated: June 1, 2025
Higgins dropped his anchor in the outer harbor near Wheaton's Island, and the boys rowed ashore in their dory, landing in the head of the little cove near the fish-wharf. Percy made a few necessary purchases at the store while Jim attended to the piston-rod. A half-hour later they were pushing off the dory, ready for their long row back. The sky was hazy and the sea calm.
I have got a glimpse of a method of causing a piston-rod to move up and down perpendicularly, by only fixing it to a piece of iron upon the beam ... I think it one of the most ingenious simple pieces of mechanism I have contrived. October, 1784, he writes: The new central perpendicular motion answers beyond expectation, and does not make the shadow of a noise.
The quirt went back and forth like a piston-rod, and the outlaw, in screaming fury, leaped and tossed like a small boat in a tremendous sea of cross-currents. "It's sure hell-for-leather. That hawss can tie himself in more knots than any that was ever foaled," commented a tobacco-chewing puncher in a scarlet kerchief.
Then came the tug of war, for it was necessary to get to the piston and the jammed piston-rod.
The others stayed aboard and replaced piston, piston-rod, cylinder-cover, cross-head, and bolts, with the aid of the faithful donkey-engine. The cylinder-cover was hardly steam-proof, and the eye of science might have seen in the connecting-rod a flexure something like that of a Christmas-tree candle which has melted and been straightened by hand over a stove, but, as Mr.
What follows is worth consideration. The forward engine had no more work to do. Its released piston-rod, therefore, drove up fiercely, with nothing to check it, and started most of the nuts of the cylinder-cover.
They had kept the hardest work to the last, as boys save Latin prose, and, worn though they were, Mr. Wardrop did not dare to give them rest. The piston-rod and connecting-rod were to be straightened, and this was a job for a regular dockyard with every appliance. They fell to it, cheered by a little chalk showing of work done and time consumed which Mr.
Even before the dory grounded they tumbled aboard and flung their arms about the castaways. No brothers, reunited after deadly peril, could have given one another a warmer greeting. Jim freed his hands at last, stooped, and picked up a package which he tossed out on the gravel. There was a suspicious moisture in his eyes. "There's the piston-rod!" said he in a rather choky voice.
At last he discovered the cause of the breakdown. "Broken piston-rod!" he exclaimed. "That means a trip to Matinicus. And we've got to go right away, so we can get back before night ahead of the storm that's coming. We must fix that engine, or we may lose two or three days' good fishing, after the sea smooths down. Perce, you and I'll go in the dory.
There the connecting-rod jammed. Meantime, the after-engine, being as yet unembarrassed, went on with its work, and in so doing brought round at its next revolution the crank of the forward engine, which smote the already jammed connecting-rod, bending it and therewith the piston-rod cross-head- the big cross-piece that slides up and down so smoothly.
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