File:Cyclopedia of architecture, carpentry, and building - a general reference work (1912) (14595864837).jpg

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Identifier: cyclopediaofarch03ameruoft (find matches)
Title: Cyclopedia of architecture, carpentry, and building : a general reference work
Year: 1912 (1910s)
Authors: American Technical Society
Subjects: Architecture Building
Publisher: Chicago : American Technical Society
Contributing Library: Kelly - University of Toronto
Digitizing Sponsor: MSN

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Fig. 21. Common Type of Spiral Spring for Doors. Double=Acting Butts. The function of the double-acting buttis to allow the door to swing to both sides of the jamb. It is neces-sarily of the spring-butt type, above mentioned, but is double and is soset as to leave the door shut when at rest. There are no cheap typesof this butt on the market, and the work required makes the bestmechanism necessary. There are no appliances which can be sub- 326 HARDWARE 15
Text Appearing After Image:
Gravity Blind Hing In selecting double-acting butts, always geta large size capable ofdoing the work easily, asthe jar on a light butt asthe door passes the closedpoint will quickly racka light appliance into auseless condition. Inhouse building, the useof double-acting springsis usually confined tochina-closet doors, andin public buildings toentrance doors. In a stituted as in the case of simplesingle-spring hinges. In order todo the work satisfactorily, a verylarge hinge is required—too largeto be ornamental—so that certaintypes are embedded in the floor,out of sight; these are peculi-arly adapted to heavy doors whenthe floors are of Mosaic so thatthe hinge can be firmly bedded inconcrete.

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https://www.flickr.com/photos/internetarchivebookimages/14595864837/

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Volume
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3
Flickr tags
InfoField
  • bookid:cyclopediaofarch03ameruoft
  • bookyear:1912
  • bookdecade:1910
  • bookcentury:1900
  • bookauthor:American_Technical_Society
  • booksubject:Architecture
  • booksubject:Building
  • bookpublisher:Chicago___American_Technical_Society
  • bookcontributor:Kelly___University_of_Toronto
  • booksponsor:MSN
  • bookleafnumber:402
  • bookcollection:kellylibrary
  • bookcollection:toronto
Flickr posted date
InfoField
30 July 2014



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current00:46, 21 September 2015Thumbnail for version as of 00:46, 21 September 2015754 × 744 (63 KB) (talk | contribs)== {{int:filedesc}} == {{information |description={{en|1=<br> '''Identifier''': cyclopediaofarch03ameruoft ([https://commons.wikimedia.org/w/index.php?title=Special%3ASearch&profile=default&fulltext=Search&search=insource%3A%2Fcyclopediaofarch03ameruof...

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