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Updated: May 21, 2025
At this time it had become clear from mechanical considerations, more especially such as had been deduced by Newton, that, since the earth is a rotating body, her form cannot be that of a perfect sphere, but must be that of a spheroid, oblate or flattened at the poles. It would follow, from this, that the length of a degree must be greater near the poles than at the equator.
They have a hard choice: to accept a life of misery, one that the medical doctors with drugs and surgery may be able to prolong into an interminable hell on earth, or, spend several years working on really healing their body, rotating between water fasting, juice or broth fasting, extended periods on a cleansing raw food diet, and periods of no-cleansing on a more complete diet that includes moderate amounts of cooked vegetables and small quantities of cooked cereals.
This grew more and more rapid, with greater contraction, until the particles on the outer edge of the rotating mass had just so much speed that the least bit more would make them tend to fly off as mud would fly from a revolving wheel.
Is that long word what you call it when a fellah walks so? said the young man, making his fists revolve round an imaginary axis, as you may have seen youth of tender age and limited pugilistic knowledge, when they show how they would punish an adversary, themselves protected by this rotating guard, the middle knuckle, meantime, thumb-supported, fiercely prominent, death-threatening.
Since every complete layer of rove is wound on the bobbin in virtue of the joint action of the spindle and flyer, the rotating bobbin, and the builder, each complete traverse of the latter increases the combined diameter of the rove and bobbin shaft by two diameters of the rove. It is therefore necessary to impart an intermittent and variable speed to the bobbin.
Throughout this period the stars were looked upon mainly as points of reference for the observation of planetary motions, and the instruments of observation underwent little change. The astrolabe, which consists of a circle divided into degrees, with a rotating diametral arm for sighting purposes, embodies their essential principle.
The long, weaver's kind of shuttle, originally used by Howe and Singer, had many drawbacks. Mr. A.B. Wilson's ingenious device, the lock stitch rotating hook, was not free from corresponding faults. The removal of these in both has led to the adoption of an entirely new class of both shuttles and revolving hooks.
The wheels, and the fan, and the pivoted tongs, all embodied the same principle, one his people had evidently never discovered. A whole new world seemed to open before him; from then on, he was constantly finding things pierced and rotating on pivots. By this time, Mom was fidgeting again. She ought to be doing something to justify her presence in the camp.
In calculating propeller pull, the diameter is that which indicates the speed of travel, and for this reason is a necessary element. Thus, for instance, a propeller three feet in diameter, rotating 500 times a minute, has a tip speed of 1500 feet, whereas a six foot propeller, rotating at the same speed, moves 3000 feet at the tips.
Jessie moved again, slowly rotating like a drowsy top, then suddenly dropped into the warm centre of a nest of bedclothes, breathing a big dog-sigh of satisfaction that shook her tiny frame. She slept. But she had wakened her mistress, who lay with her head resting on one hand, deep in thought while the day grew outside.
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