An Elementary Treatise on Sound: Being the Second Volume of a Course of Natural Philosophy, Designed for the Use of High Schools and Colleges |
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An Elementary Treatise on Sound: Being the Second Volume of a Course of ... Benjamin Peirce No hay ninguna vista previa disponible - 2016 |
An Elementary Treatise on Sound: Being the Second Volume of a Course of ... Benjamin Peirce No hay ninguna vista previa disponible - 2016 |
Términos y frases comunes
Acad according appear Auditu bell BERNOULLI blow body cause centre CHAPTER Chim CHLADNI column Comm Communication Composition cord Corps d'une direction distance echo effect elasticity élastiques equal EULER excited experiments extent feet Figures flexibilium fluid force given glass greater Harmony heaps heard Hearing heat Hist impulse increase instant Instit intensity interval Journ l'équilibre l'Harmonie l'Ouie length less light lines liquid Lond Math means Mém membrane Méthode miles modes molecules motion Motu Mouvement moving Musical Musique natural nodal observed obtained Organ original particles passes Petrop Phil Phys pipe plate Poisson portion position Principes produced propagated reflected rest result sand SAVART side solide sonorous Sons string surface Temperament temperature Théorie tion Traité Trans velocity of sound Vibrations voice wave whole wind WRITINGS
Pasajes populares
Página 11 - ... feet. By a most unlucky coincidence, the precise focus of divergence at the former station was chosen for the place of the confessional. — Secrets never intended for the public ear thus became known, to the dismay of the...
Página 110 - Since there is nothing in the constitution of the atmosphere to prevent the existence of vibrations incomparably more frequent than any of which we are conscious, we may imagine that animals like the grylli, whose powers appear to commence nearly where ours...
Página 111 - ... them may be said to possess another sense, agreeing with our own solely in the medium by which it is excited...
Página 55 - ... of successive portions of the original impulse in its progress through the soil at the innumerable half-coherent surfaces composing it ; were the whole soil a mass of sand, these reflections would be so strong and frequent as to destroy the whole impulse in too short an interval to allow of a distinguishable after-sound. It is a case analogous to that of a strong light, with a milky medium or smoky atmosphere ; the whole medium appears to shine with a nebulous, undefined light.
Página xix - Considérations sur les divers Systèmes de la Musique ancienne et moderne , et sur le genre enharmonique des Grecs , avec une Dissertation préliminaire relative à l'Origine du Chant, de la Lyre et de la Flûte attribuée à Van; Paris, 1810, 2 vol. in-8°; — Lettre à M.
Página 15 - ... centre. Since the velocity of electricity is incomparably greater than that of sound, the thunder may be regarded as' originating at one and the same instant in every point of the course of either flash. But it will reach the ear under very different circumstances in the two cases. In that of the circular flash, the sound from every point will arrive at the same instant, and affect the ear as a simple explosion, with stunning loudness.
Página 11 - Sicily, the slightest whisper is borne with perfect distinctness from the great western door to the cornice behind the high altar, a distance of 250 feet. By a most unlucky coincidence, the precise focus of divergence at the former station was chosen for the place of the confessional. Secrets never intended for the public ear thus became known, to the dismay of the confessors and the scandal of the people, by the resort of the curious to the opposite point (which seems to have been discovered accidentally),...
Página 65 - In consequence, if a sudden and short impulse be repeated beyond a certain degree of quickness, the ear loses the intervals of silence and the sound appears continuous.
Página 58 - ... the pull, push, or blow will reach its point of action one second after the moment of its first emanation from the first mover. In all moderate distances, then, the interval is utterly insensible. But, were the sun and the earth connected by an iron bar, no less than...
Página 11 - 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 which a person standing in the centre, and stamping gently with his foot on the floor, hears the sound repeated a great many times; but as his position deviates from the centre the reflected sounds grow fainter, and at a short distance wholly cease.