Elementary Lessons on Sound |
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Page 2
... Membranes Drum , & c . Plates Gong , & c . Rods Tuning - fork , & c . 2. Distributors : - Air Wood Metal Speaking - tubes , Stethoscopes . Sounding Rods . Wires . 3. Pugging of floors , Dampers of Pianofortes . 4. Reservoirs ...
... Membranes Drum , & c . Plates Gong , & c . Rods Tuning - fork , & c . 2. Distributors : - Air Wood Metal Speaking - tubes , Stethoscopes . Sounding Rods . Wires . 3. Pugging of floors , Dampers of Pianofortes . 4. Reservoirs ...
Page 4
... membrane is of musical value in the side - drum , to preserve time and indicate rhythm , while in the Morse telegraph the click caused by the collision of magnet and keeper is , by a suitable code , made to furnish an intelligible ...
... membrane is of musical value in the side - drum , to preserve time and indicate rhythm , while in the Morse telegraph the click caused by the collision of magnet and keeper is , by a suitable code , made to furnish an intelligible ...
Page 27
... membrane , and the note , if note it can be called , is a fortuitous combination of several discordant tones . very dissimilar from these is the cymbal ; a noise - producing machine , intended , like the drum , rather to mark rhythm and ...
... membrane , and the note , if note it can be called , is a fortuitous combination of several discordant tones . very dissimilar from these is the cymbal ; a noise - producing machine , intended , like the drum , rather to mark rhythm and ...
Page 33
... Membranes , as exciters of sound , occur chiefly in the form of drums , which stand in an intermediate position between mere noise - producers and sources of regular periodic vibration . Opus citatum , p . 325 . D Their theory is in ...
... Membranes , as exciters of sound , occur chiefly in the form of drums , which stand in an intermediate position between mere noise - producers and sources of regular periodic vibration . Opus citatum , p . 325 . D Their theory is in ...
Page 34
... membrane . The principal results were : - Summary of Vibrations in Membranes . It can 1. A circular membrane cannot vibrate in unison with every sound . only place itself in unison with sounds more acute than that heard when the ...
... membrane . The principal results were : - Summary of Vibrations in Membranes . It can 1. A circular membrane cannot vibrate in unison with every sound . only place itself in unison with sounds more acute than that heard when the ...
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Common terms and phrases
acoustical alteration apparatus arytenoid cartilages bassoon beats bell cartilages cavity clarinet comma consonant corresponding density determined diameter diapason digitals disc distance double elastic enharmonic epiglottis equal equal temperament excited experiments Fahrenheit fifth fixed flame flat flute fork friction fundamental note give given harmonic harmonium heard heat Helmholtz human voice inch instrument intervals keyboard keys length longitudinal Lord Rayleigh lower major sixth major third means membrane metal method metres Minor Sixth minor third monochord motion musical sound musical tones named nodes number of vibrations oboe observed obtained octave ordinary organ orifice pendulum perfect perfect fifths pitch plate prime tone produced prongs ratio reed resonance rotating scale schismas segments semitone sharp sharpened simple siren sonorous source of sound string temperament temperature termed tonometer triad tube tuned tuning-fork unison upper partial tones velocity of sound vibration number violin wave wave-length wire