 | 1832 - 402 páginas
...centre of a square room about twenty-five feet high with a concave roof, hears the stamp of his foot repeated a great many times, but as his position deviates from the centre, the echoes become feebler, and at a short distance entirely cease. The same phenomenon, he remarks, occurs... | |
 | Chambers's journal - 1854 - 416 páginas
...a square room about 25 feet high, with a concave roof; a person standing in the centre of the room, and stamping gently with his foot on the floor, hears the sound repeated a great number of times. Sir John proceeds to point out the necessary connection between the form of a room... | |
 | 1854 - 850 páginas
...a square room about 25 feet high, with a concave roof; a person standing in the centre of the room, and stamping gently with his foot on the floor, hears the sound repeated n great number of times. Sir John proceeds to point out the necessary connection between the form of... | |
 | Charles Carroll Bombaugh - 1860 - 538 páginas
...heard at any intermediate point. In the Manfroni Palace at Venice is a square room about twenty-five feet high, with a concave roof, in which a person...but as his position deviates from the centre, the refleeted sounds grow fainter, and at a short distance wholly cease. The same phenomenon occurs in... | |
 | 1868 - 838 páginas
...centre of a square room, about twenty-five feet high, with ft concave roof, hears the stamp of his feet repeated a great many times, but as his position deviates from the centre the echoes become feebler and at a short distance they entirely oease.J If a sound be made in one focus... | |
 | Frank H. Stauffer - 1968 - 378 páginas
[ Lo sentimos, pero el contenido de esta página es de acceso restringido. ] | |
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Gallery of St. Paul's, London, the faintest sound is faithfully conveyed from one side to the other of the dome, but is not heard at any intermediate point. In the Manfroni Palace at Venice is a square room about 25 feet high, with a concave roof, in... 