File:The decay of timber and methods of preventing it (1902) (14783796723).jpg

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Identifier: decayoftimbermet14vons (find matches)
Title: The decay of timber and methods of preventing it
Year: 1902 (1900s)
Authors: Von Schrenk, Hermann, 1873-1953 United States. Bureau of Plant Industry
Subjects: Wood Agriculture
Publisher: Washington : U.S. G.P.O.
Contributing Library: U.S. Department of Agriculture, National Agricultural Library
Digitizing Sponsor: U.S. Department of Agriculture, National Agricultural Library

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Text Appearing Before Image:
Radial Section of Wood of White Oak. Bui. 14, Bureau of Plant Industry, U. S Dept. of Agriculture. Plate VII.
Text Appearing After Image:
Tangential Section of Wood of White Oak. STRUCTURE OF TIMBER. 15 tents and become tilled with air. They are then mature; their wallshave attained their maximum thickness and strength. They beginto make reservoirs for the deposition of various substances—gums,resins, aromatic substances of various kinds—which remain in thecells, but take no part in the life of the tree. These cells are then,to all intents and purposes, dead. The medullary-ray cells remainalive much longer. Going inward, one finds that they at first losetheir sugars, then the starch reserve, and lastly the oil products. Itwill appear from this that the boundary line between the living woodand the dead elements is no very sharp one. The water passes through the walls of the newer wood cells readily,and continues to do so for a considerable period after the cell con-tents have disappeared. It is only when the walls of the cells becomethoroughly infiltrated with the resins, gums, etc., that the water trans-mission come

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https://www.flickr.com/photos/internetarchivebookimages/14783796723/

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Von Schrenk, Hermann, 1873-1953;

United States. Bureau of Plant Industry
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(Reusing this file)		 At the time of upload, the image license was automatically confirmed using the Flickr API. For more information see Flickr API detail.
Flickr tags
InfoField
  • bookid:decayoftimbermet14vons
  • bookyear:1902
  • bookdecade:1900
  • bookcentury:1900
  • bookauthor:Von_Schrenk__Hermann__1873_1953
  • bookauthor:United_States__Bureau_of_Plant_Industry
  • booksubject:Wood
  • booksubject:Agriculture
  • bookpublisher:Washington___U_S__G_P_O_
  • bookcontributor:U_S__Department_of_Agriculture__National_Agricultural_Library
  • booksponsor:U_S__Department_of_Agriculture__National_Agricultural_Library
  • bookleafnumber:26
  • bookcollection:usda-bulletinplantindustry
  • bookcollection:usdanationalagriculturallibrary
  • bookcollection:fedlink
  • bookcollection:americana
Flickr posted date
InfoField
28 July 2014



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