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There was one window that looked down the length of a street, and in addition, for an added interest, Redwood had contrived above the roof of the nursery a camera obscura that watched the Kensington High Street and not a little of the Gardens.
Taken in connection with other instances of a similar nature, what can be said of it excepting that it almost necessitates the supposition of the existence of the invisible camera obscura which the Theosophists describe as the astral light? The Analogy of the Camera Obscura.
By advertising in time, and by dint of much exertion, the greater part was recovered, but the proprietor has not dared publicly to exhibit them since. He is now forming a menagerie, and also has a collection of fossils and minerals from the neighbourhood, with a camera obscura. He is, in short, a specimen of what untiring industry can accomplish, even when unassisted.
Regarding the eye as analogous in its structure with the camera obscura of Baptista Porta, he discovered that the images of external objects were painted in an inverted position on the retina, by the union of the pencils of rays which issued from every point of the object.
"We will now give you a free show, Inspector," he said, genially, "of our camera obscura!" He pulled down the blinds, which Bristol noted with interest to be black, but through an opening in one of them a mysterious ray of light the same that he had noticed from Fleet Street shone upon that point in the ceiling where the arrangement of mirrors was attached.
Three hundred years ago della Porta knew the camera obscura, and but for the lack of a sensitive plate would have made photographs. A box, thoroughly light-tight, slotted inside to receive plates, covered with black, and glued tight, a needle hole made by a number 10 needle in a thin sheet of paper and you have the apparatus for lensless photography.
The figures appear, and take their places one by one: ranging themselves according to order, in light or in gloom, the colors are reflected duly in the little camera obscura of the brain, and the whole picture lies there complete; but can you describe it? No, not if pens were fitch-brushes, and words were bladders of paint. With which, for the present, adieu. Your faithful To Mr.
It was like looking into a camera obscura you saw faces shining and speaking the smoke curled, the lights dazzled, the oak wainscotting took a higher polish there was old Sarratt, tall and gaunt, with his couplet from Pope and case at Nisi Prius, Mounsey eyeing the ventilator and lying perdu for a moral, and Hume and Ayrton taking another friendly finishing glass!
Their effect may be compared exactly with the effect of rays of light cast upon the image in a camera obscura; and, to see what the effect of such rays would be, we need only consider why it is that the camera is made 'obscura, or dark. The effect of the transfusion of light through a telescopic image may be easily tried by any one who cares to make the experiment.
After ten hours' march they came to a place called Quebrada Obscura: here, all on a sudden, three or four thousand arrows were shot at them, they not perceiving whence they came, or who shot them: though they presumed it was from a high rocky mountain, from one side to the other, whereon was a grot, capable of but one horse or other beast laded.
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