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"The screw consists of an axis of hollow brass tube, eighteen inches in length, through which, upon a semi-spiral inclined at fifteen degrees, pass a series of steel wire radii, two feet long, and thus projecting a foot on either side.
A man had applied to a light boat, a very large screw, the thread of which was a thin plate, two feet broad, applied by its edge spirally round a small axis. It somewhat resembled a bottle-brush, if you will suppose the hairs of the bottle-brush joining together, and forming a spiral plane. This, turned on its axis in the air, carried the vessel across the Seine.
But it is singular to remark that, in another respect, the prognathous skulls are less ape-like than the orthognathous, the cerebral cavity projecting decidedly more beyond the anterior end of the axis in the prognathous, than in the orthognathous, skulls.
These are separated by a deep groove, extending from the front to the back of the brain, known as the median fissure. The hemispheres, however, are closely connected by a great band of underlying nerve fibers, called the corpus callosum. Short segment of the axis cylinder with collateral branches. At the base of the cerebrum three large masses of cell-bodies are to be found.
All through his journal and his correspondence there is a perpetual alternation of despair and confidence, always closing with the refrain, "Working, trying is the only remover of doubt," and wise counsels often echoed from Goethe, "Accomplish as well as you can the task on hand, and the next step will become clear;" on the other hand A man must not only be able to work but to give over working.... If a man wait till he has entirely brushed off his imperfections, he will spin for ever on his axis, advancing no whither.... The French Revolution stands pretty fair in my head, nor do I mean to investigate much more about it, but to splash down what I know in large masses of colours, that it may look like a smoke-and-flame conflagration in the distance.
At the two extremities of the port, in order that their fires should converge upon the great axis of the ellipse formed by the basin, in the first place, two batteries had been raised, evidently destined to receive flank pieces, for D'Artagnan saw the workmen finishing the platform and making ready the demi-circumference in wood upon which the wheels of the pieces might turn to embrace every direction over the epaulement.
The large mirror is not mathematically centred in the large tube that contains it, but is placed rather obliquely in it. This slight obliquity causes the images to be formed not in the axis of the tube, but very near its circumference, or outer mouth, we may call it. The observer may therefore look at them there direct, merely by means of an eye-piece.
Stars may be quenched, the mountains crumble, the earth finally wear away its diamond axis; but we two, we alone are immortal, for the impalpable lives forever! But to-day them canst lie at my feet, and polish thy teeth against the moss-grown tombs, for Satan has abandoned me, and a power unknown compels me to obey his will. Lo! the dead seek to rise from their graves. Satan, I love thee!
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