Philosophical Transactions of the Royal Society of London

الغلاف الأمامي
W. Bowyer and J. Nichols for Lockyer Davis, printer to the Royal Society, 1841
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الصفحة 64 - ... at the distance of about three feet. He was now allowed to open the eye, and after attentive examination he called the lines by their right denominations.
الصفحة 63 - He now described what he saw as a number of opaque watery spheres, which moved with the movements of the eye, but, when the eye was at rest, remained stationary, and then partially covered each other.
الصفحة 288 - The difference between the aggregate work done upon a machine during any time by those forces which tend to accelerate the motion, and the aggregate work, during the same time, of those which tend to retard the motion, is equal to the aggregate number of units of work accumulated in the moving parts of the machine during that time, if the former aggregate exceed the latter, and lost by them during that time, if the former aggregate fall short of the latter.
الصفحة 64 - The outline, in black, of a square, six inches in diameter, within which a circle had been drawn, and within the latter a triangle, was, after careful examination, recognized and correctly described by him.
الصفحة 64 - ... intolerance of light, could not be kept open long enough for the formation of the idea as derived from visual sensation. The appearance of spheres diminished daily ; they became smaller, clearer, and more pellucid, allowed objects to be seen more distinctly, and disappeared entirely after two weeks. The...
الصفحة 175 - Epiphysal and articular cartilage are developed and nourished in the early periods of foetal existence, without the presence of blood-vessels in the substance of the former, or on the surface of the latter. 2. At subsequent periods, canals are formed in the epiphysal cartilage, vessels are prolonged into them, which converge towards the articular cartilage ; and also vessels extend over a considerable portion of the free surface of articular cartilage. 3. At later periods, the epiphysal cartilage...

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