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From the middle of September, the nucleus, estimated by Bond to be under five hundred miles in diameter, was the centre of action of the most energetic kind.
This spot, soon after its discovery in 1878, became a clearly defined red oval, lying near the southern edge of the south belt in latitude about 30°. Its length was nearly one third of the diameter of the disk and its width almost one quarter as great as its length. Translated into terrestrial measure, it was about 30,000 miles long and 7,000 miles broad.
These streaks, at length, spreading out to a great distance, and entering into combination, took unto themselves the gyratory motion of the subsided vortices, and seemed to form the germ of another more vast. Suddenly very suddenly this assumed a distinct and definite existence, in a circle of more than a mile in diameter.
In the centre of a square room was a pillar 15 or 16 feet in height, the circular top of which was six or eight feet in diameter and had been surrounded by a stone parapet; communicating with this singular pulpit- like seat were four narrow stone passages or bridges, one from each corner of the room.
This was Lawry's plan for ascertaining the extent of the injury which the hull had received. It now appeared that, when the Woodville struck the Goblins, she had slid upon a flat rock, while a sharp projection from the reef had stove a hole, not quite three feet in diameter, just above her keel. "Now we must stop this hole," said Lawry; "and we may as well do it here as anywhere."
"This house seems to be built on the solid ground. I do not think you will find anything under it," protested the Professor. "There are houses under every one of these buildings," answered Mr. Marquand. He held a short, keen edged bar in place, while Kris Kringle swung the maul. Gradually they cut a ring about two feet in diameter about the cross.
Let us see what happens to you in trying the following classical experiment. It is called the Chevreul's Pendulum test. Draw a circle with about a six-inch diameter and mark it as shown in the illustration. Next, take a ring and attach a string to it. If you have a locket, it will do as well. The hypnotist uses a crystal ball and chain for this experiment.
It will be observed that with steam and air cylinders equal in diameter and stroke, an air pressure of 77 pounds is reached with a steam pressure of only 58 pounds. The reason for this is plainly shown in the cards, their areas being nearly equal. What is made up in the air card by high pressure is represented in the steam card by greater volume.
Professor Henslow express a similar opinion, regarding the origin in trap-rocks of many chalcedonies and agates. The hill, marked in Map 2 "Crater of an old volcano," has no claims to this appellation, which I could discover, except in being surmounted by a circular, very shallow, saucer-like summit, nearly half a mile in diameter.
The loop is set about eighteen inches in diameter, and is attached to either a spring-pole or a tossing-pole or, more correctly speaking, a tree sufficiently large to raise and support the weight of the bear. Sometimes a guiding-pole is used in connection with a snare.
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