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"Sonometer used when studying waves." -Avery 1895

Sonometer

"Sonometer used when studying waves." -Avery 1895

"Device used to convieniently study musical tones." -Avery 1895

Sonometer

"Device used to convieniently study musical tones." -Avery 1895

A sonometer is an apparatus by which the transverse vibrations of strings can be studied. It is also called the monocord because it often has only one string. On the box are two fixed bridges, near the ends, and at one end is a pulley. A string, often a steel wire, is fastened at one end, run over the bridges and the pulley, and attached to a weight holder hanging below the pulley. Weights can be added to the holder to produce tension in the wire, and a third, movable bridge, can be placed under it to change the length of the vibrating section of the string. A Sonometer demonstrates the relationship between the frequency of the sound produced by a plucked string, and the tension, length and mass per unit length of the string.

Sonometer

A sonometer is an apparatus by which the transverse vibrations of strings can be studied. It is also…

"Apparatus used that will show changes in the flame upon the glass sheet M, when sound is introduced into the tube at A." -Avery 1895

Flame Sonometer

"Apparatus used that will show changes in the flame upon the glass sheet M, when sound is introduced…

"Bow or pluck the string of a sonometer near its end, thus setting it in vibration as a hole. The string will have the appearance of a single spindle as shown, and will sound the lowest tone that it is capable of producing." -Avery 1895

Sound Wave, fundamental frequency

"Bow or pluck the string of a sonometer near its end, thus setting it in vibration as a hole. The string…

"Lightly touch the wire at its middle point with the tip of the finger or the beard of a quill; the wire will vibrate in halves." -Avery 1895

Sound Wave

"Lightly touch the wire at its middle point with the tip of the finger or the beard of a quill; the…