The Encyclopaedia Britannica: A Dictionary of Arts, Sciences, and General Literature, 1. köideThomas Spencer Baynes C. Scribner's sons, 1878 |
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Page 100
... vibrations . whence the sound proceeds , must have been thrown , by a blow or other means , into a state of ... vibration , which tions of air , shall receive such motion from the source of sound , and & c . transmit it to the external ...
... vibrations . whence the sound proceeds , must have been thrown , by a blow or other means , into a state of ... vibration , which tions of air , shall receive such motion from the source of sound , and & c . transmit it to the external ...
Page 101
... vibrations , pro- vided these are very small . 5. The particle , whose vibratory motion we have been considering , is a solitary particle acted on by external vibrations . forces . But , in acoustics , we have to do with the motion of ...
... vibrations , pro- vided these are very small . 5. The particle , whose vibratory motion we have been considering , is a solitary particle acted on by external vibrations . forces . But , in acoustics , we have to do with the motion of ...
Page 102
... vibrations performed in a 1 = n given time , say in the unit of time , we shall have T and hence V = nλ . 14. There is one very important distinction between the Variations two cases of longitudinal and of transversal vibrations which ...
... vibrations performed in a 1 = n given time , say in the unit of time , we shall have T and hence V = nλ . 14. There is one very important distinction between the Variations two cases of longitudinal and of transversal vibrations which ...
Page 105
... vibrations , such as are executed by the points of a stretched wire or cord when drawn out of its position of rest by a blow , or by the friction of a violin - bow . m a k 0 n F I I P C Fig . 4 . Let ox ( fig . 4 ) be the position of ...
... vibrations , such as are executed by the points of a stretched wire or cord when drawn out of its position of rest by a blow , or by the friction of a violin - bow . m a k 0 n F I I P C Fig . 4 . Let ox ( fig . 4 ) be the position of ...
Page 106
... vibrations of its own particles are communicated to the particles of the new medium , so that a wave is excited in the latter , and is propagated through it with a velocity de- pendent on the density and elasticity of the second medium ...
... vibrations of its own particles are communicated to the particles of the new medium , so that a wave is excited in the latter , and is propagated through it with a velocity de- pendent on the density and elasticity of the second medium ...
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abbot Aberdeen Abyssinia Academy acre Acts admiral admiralty adulteration Æsir æsthetic Afghan Afghanistan Africa afterwards ancient animals appears ascent Balkh balloon beauty body called century chief chiefly church climate cloister coast colour court crop ctenophores cultivated district drains earth east Egypt England English extended farm favourable feet former French grain Greek Hazaras height Herat Hindu Kush important inhabitants Kabul Kabul river Kandahar Khulm king known Kunduz labour Lake Lake Chad land latter Lord lord high admiral manure ment miles mountains natural nearly Nile occupied original Oxus passed Peshawar pipe plants plough population portion principal produce quantity region river Roman Royal Safed Koh Scotland seed Seistan side soil sound sowing sown species St Paul surface temperature tion town tribes turnips usually valley velocity vibrations wheat whole