lever

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References in classic literature ?
It was the clank of the levers and the swish of the leaking cylinder.
Wheels creak on their axles as the cogs engage one another and the revolving pulleys whirr with the rapidity of their movement, but a neighboring wheel is as quiet and motionless as though it were prepared to remain so for a hundred years; but the moment comes when the lever catches it and obeying the impulse that wheel begins to creak and joins in the common motion the result and aim of which are beyond its ken.
The levers of his body snapped into play like the jaws of steel traps.
They brought the cow alongside the boat, which was heeled towards her; then placing two oars under her belly, with their ends resting on the gunwale, by the aid of these levers they fairly tumbled the poor beast heels over head into the bottom of the boat, and then lashed her down with ropes.
In fact, it takes a determinate amount of force to raise a given weight; the force may be distributed, and you may have a less or greater number of levers, but it comes to the same thing in the end: the force must be in proportion to the weight.
You see, we've learned to conceal things nowadays - to smooth them over, to play the part of ordinary citizens to the world while we tug at the underhand levers in our secret moments.
Could rotary levers be substituted for two of the limbs, agreeably to the improvement in my new order of phalangacrura, which might be rendered into the vernacular as lever- legged, there would be a delightful perfection and harmony in the construction.
If I had had hands to have refitted her, and to have launched her into the water, the boat would have done well enough, and I might have gone back into the Brazils with her easily enough; but I might have foreseen that I could no more turn her and set her upright upon her bottom than I could remove the island; however, I went to the woods, and cut levers and rollers, and brought them to the boat resolving to try what I could do; suggesting to myself that if I could but turn her down, I might repair the damage she had received, and she would be a very good boat, and I might go to sea in her very easily.
Figures, and wheels, and cogs, and levers, and screws, and cylinders, and a thousand things.
The voice of the falling water, like the voices of the sea and the wind, were as an outer memory to a contemplative listener; but not particularly so to Mr Riderhood, who sat on one of the blunt wooden levers of his lock-gates, dozing.
The instant the animal had fallen, the "knocker" passed on to another; while a second man raised a lever, and the side of the pen was raised, and the animal, still kicking and struggling, slid out to the "killing bed.
That she had dropped into the last coma which would end in death, if the air supply remained unreplenished, I well knew, and so, throwing caution to the winds, I flung overboard everything but the engine and compass, even to my ornaments, and lying on my belly along the deck with one hand on the steering wheel and the other pushing the speed lever to its last notch I split the thin air of dying Mars with the speed of a meteor.