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For, supposing that KL is no more than 22 thousand of these diameters, it appears that being traversed in 22 minutes this makes the speed a thousand diameters in one minute, that is 16-2/3 diameters in one second or in one beat of the pulse, which makes more than 11 hundred times a hundred thousand toises; since the diameter of the Earth contains 2,865 leagues, reckoned at 25 to the degree, and each each league is 2,282 Toises, according to the exact measurement which Mr.
Halley discovered in 1693, by examining the records of ancient eclipses, that the moon was going faster then than 2,000 years previously so much faster, as to have got ahead of the place in the sky she would otherwise have occupied, by about two of her own diameters. It was one of Laplace's highest triumphs to have found an explanation of this puzzling fact.
Agnes M. (Agnes Mary) Clerke - A Popular History of Astronomy During the Nineteenth Century
To this the psycho-analyst replied that he did not feel at all sure that Euclid might not have been inspired to write his Geometry by the sexual ideas which men have, from time immemorial, embodied in circles and triangles and diameters.
The niche had a threshold-stone, and the two uprights of the main chamber which lay on either side of this had been crudely engraved with designs, among which were a man, an animal, and a circle with a pair of diameters marked. Little was found in the chamber, and only some bones and a pot in the niche.
The heart being thus stopped, when it is but half emptied, begins sooner to dilate again; and the arteries being dilated to less than their usual diameters, begin so much sooner to contract themselves; insomuch, that in the last stages of fevers with weakness the frequency of pulsation of the heart and arteries becomes doubled; which, however, is never the case in fevers with strength, in which they seldom exceed 118 or 120 pulsations in a minute.
Make a narrow slit, a few thousandths of an inch in width, in a sheet of black paper, and support it vertically before a brilliant source of light. Observe this from a distance of 40 or 50 feet with a small telescope magnifying about 30 diameters.
Ere long, one after another of these bodies passed rapidly before my sight, at distances varying probably from five yards to five thousand miles. Where to test the distance was impossible, anything like accurate measurement was equally out of the question; but my opinion is, that the diameters of the nearest ranged from ten inches to two hundred feet.
"Thus," he continued, "we have been regarded by one class of theorists as an hydraulic engine, composed of various tubes fitted with their several fluids, the laws and functions of which have been deduced from calculations of velocities, altitudes, diameters, friction, &c. Another class considered man as a mere chemical engine, and his stomach as an alembic.
A real tragedy or some absurd trifle? Probably a trifle; trifles dug more pits than tragedies. Perhaps tragedy was mis-named. What humans called tragedy was epic, and trifles were real tragedies. And then there were certain natures to whom the trifle was epical; to whom the inconsequent was invariably magnified nine diameters; and having made a mistake, would die rather than admit it.
In fact, the larger the telescope and the more perfect the atmospheric conditions at the observer's command, the smaller do these images appear. On the photographic plate, it is true, the stars are recorded as measurable disks, but these are due to the spreading of the light from their bright point-like images, and their diameters increase as the exposure time is prolonged.