File:The hygiene of the schoolroom (1911) (14780936081).jpg

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Identifier: hygieneofschoolr02barr (find matches)
Title: The hygiene of the schoolroom
Year: 1911 (1910s)
Authors: Barry, William Francis, 1872-
Subjects: School hygiene
Publisher: New York, Boston (etc.) Silver, Burdett and company
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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FIG. 23.
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FIG 24. CHAPTER IX The Vocal Organs The voice is the sound resulting from the passing inand out of the air over the vocal cords, two folds ofmemhrane in the larynx, or upper part of the air passagehetween the windpipe (trachea) and the hase of thetongue. When the cords are relaxed, the air passes be-tween them without sound; but at will the small musclesguiding the cords can be set tighter, so that as the airpasses they vibrate and produce sound. The differencein pitch is created by the degree of tension of these cords;when they are loosely set, a low note results; whentighter, a high one. With the assistance of the upperpart of the throat (the pharynx), the cavity of the mouth,the tongue and the lips, these sounds are modified intospoken words. A good voice and the ability to speak clearly and dis-tinctly are of such incomparable value in after life thatespecial effort should be made by teachers in training thevoice. With the advent of the Kindergarten, where thechild comes earlier t

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Flickr tags
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  • bookid:hygieneofschoolr02barr
  • bookyear:1911
  • bookdecade:1910
  • bookcentury:1900
  • bookauthor:Barry__William_Francis__1872_
  • booksubject:School_hygiene
  • bookpublisher:New_York__Boston__etc___Silver__Burdett_and_company
  • bookcontributor:The_Library_of_Congress
  • booksponsor:The_Library_of_Congress
  • bookleafnumber:108
  • bookcollection:library_of_congress
  • bookcollection:americana
Flickr posted date
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30 July 2014


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