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Updated: May 20, 2025
The second engineer -more reckless than resourceful struck at random with a cold chisel into the cast-iron of the column, and a greasy, grey flake of metal flew from under the imprisoned foot of the connecting-rod, while the rod itself fell away slowly, and brought up with a thunderous clang somewhere in the dark of the crank-pit.
It is past labour crystallised, or embodied in an external form, and used by present labour to assist itself in its own operations. Every wheel, crank, and connecting-rod, every rivet in every boiler, owes its shape and its place to labour, and labour only. Labour, therefore the labour of the average multitude remains the sole agent in the production of wealth, after all.
The muscular effort was not hard, but Lister's face was wet with sweat, and when he was slow and the engine-room rang with the clash of machinery his heart beat. The big columns that held the cylinders rocked; crank and connecting-rod spun too fast for him to see. There was a confusing flash of steel and a daunting uproar. For the most part, he was able to get control before the stern came down.
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.
The massive walking-beam rose and fell above the deck; at one end a piston-rod worked up and down; and at the other was a connecting-rod which, in changing the rectilinear motion to a circular one, was directly connected with the shaft of the paddles. The General Grant was rigged with three masts, giving a large capacity for sails, and thus materially aiding the steam power.
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.
It had been intended to cross her bows, and that was why it knocked the framed portrait of the Chief Engineer's wife and she was a very pretty girl on to the floor, splintered his wash-hand stand, crossed the alleyway into the engine-room, and striking on a grating, dropped directly in front of the forward engine, where it burst, neatly fracturing both the bolts that held the connecting-rod to the forward crank.
But I had not much time to give him, because I was helping the engine-driver to take to pieces the leaky cylinders, to straighten a bent connecting-rod, and in other such matters. I lived in an infernal mess of rust, filings, nuts, bolts, spanners, hammers, ratchet-drills things I abominate, because I don't get on with them.
The inlet valve in the crown of each piston was mechanically operated in a very ingenious manner by the oscillation of the connecting-rod. The Gyro-Duplex engine superseded this original design, and a small cross-section illustration of this is appended.
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