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In the aneroid barometer a shallow circular box is fitted with a cover, which is corrugated in concentric circles, and the pressure of the superincumbent air is caused to depress the centre of this cover through the device of partially exhausting the box of air and thus diminishing the internal resistance.
It is much more probable to suppose, that the sea had washed away the relics of the broken and disordered strata, before those that are now superincumbent had been begun to be deposited. But we cannot suppose two such contrary operations in the same place, as that of carrying away the relics of those broken strata, and the depositing of sand and subtile earth in such a regular order.
The gold he exhibited was in coarse scales, with occasional nuggets, and closely resembled the product I saw a few months earlier of some washings near Mariposa. The gold on the Nertcha and its tributaries is found in the sand and earth that form the bed of the streams. Notwithstanding the great expense of removing the superincumbent earth, the mine had been worked to a profit.
All blinds were drawn down for the most part over all windows; what light came from the sky came like light seen through dusty glass; the grim brown hue of the brick houses looked more dirtily mournful than ever; the smoke from the chimney-pots was lost mysteriously in deepening superincumbent fog; the muddy gutters gurgled; the heavy rain-drops dripped into empty areas audibly.
He has a fine understanding: oftentimes his commentaries on the past are ebullient with subtlety; and his fault strikes us as lying even in the excess of his sagacity applying itself too often to a basis of facts, quite insufficient for supporting the superincumbent weight of his speculations. But in this instance he surrenders himself too readily to the ordinary current of history.
Many of these are of vast extent, and were doubtless formed by quarrying the rocks and mountains for building materials. They consist of grottos, galleries, and chambers, penetrating often to a considerable distance, the superincumbent mass being supported by huge pillars of rock; or the galleries running parallel, with masses of solid rock intervening for supports.
For, had our author been treating of beds or bodies deposited in water, and preserving the natural situation in which they had been formed, he would have had reason to conclude that the superior bed was of the latest formation; but here is no question of superincumbent strata; it is a stratum which is superincumbent on a lava; and it is equally natural to suppose the lava posterior to the stratum as the stratum posterior to the lava.
It seeks outlet. And so it happens that the air is driven up through some crack in the rock and the superincumbent earth, one or two hundred feet from the shore, and a great hole appears in the ground from twenty to seventy feet deep. Then the water spouts fiercely up and returning carries back the earth and broken rock into the sea.
Things from the abyss of Time that float upwards into dreams sleeping things whose breath sometimes breaks the surface of our waking consciousness, like bubbles rising from the depths of Lethe these had become the sober certainties of Toller's life. The superincumbent waters had parted asunder, and the children of the deep were all astir.
At a depth of 22 inches from the surface a pig's jaw and a fragment of a tile were found. When the excavations were first made, some large trees grew over the ruins; and the stump of one has been left directly over a party- wall near the bath-room, for the sake of showing the thickness of the superincumbent soil, which was here 38 inches.
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