File:Intensive farming and use of dynamite (1911) (14755317051).jpg

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English:

Identifier: intensivefarming00penn (find matches)
Title: Intensive farming and use of dynamite
Year: 1911 (1910s)
Authors: Pennsylvania railroad company. (from old catalog)
Subjects: Explosives
Publisher: (Philadelphia, Pa.) The Pennsylvania railroad
Contributing Library: The Library of Congress
Digitizing Sponsor: Sloan Foundation

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Text Appearing Before Image:
the sides of thewooden plugs large enough for the two small wires to run throughit, if the cap of the electric squib is put in place before the plug isdriven in. When driving the plug care must be taken that the wiresare kept free, and that the insulation on them is not abraded. Ifit is not convenient to provide wooden plugs in this work, dampclay tamping may be used on top of a wad of newspaper. A logtwo feet in diameter, and four or five feet long, can usually be splitin two with one two-ounce charge of FF blasting powder, fired asdescribed above. Longer logs require two or more holes, and logsof greater diameter require heavier charges. The holes should befrom one and one-eighth to two inches in diameter. Logs up to six feet in length can be split at once into anumber of pieces, by exploding a single charge of low-grade dyna-mite in a hole bored about twelve or fourteen inches straight intothe center of one end. Two ounces is about the right charge fora log two feet in diameter. 37
Text Appearing After Image:
BOULDER BLASTING

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https://www.flickr.com/photos/internetarchivebookimages/14755317051/

Author Pennsylvania railroad company. [from old catalog]
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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:intensivefarming00penn
  • bookyear:1911
  • bookdecade:1910
  • bookcentury:1900
  • bookauthor:Pennsylvania_railroad_company___from_old_catalog_
  • booksubject:Explosives
  • bookpublisher:_Philadelphia__Pa___The_Pennsylvania_railroad
  • bookcontributor:The_Library_of_Congress
  • booksponsor:Sloan_Foundation
  • bookleafnumber:39
  • bookcollection:library_of_congress
  • bookcollection:biodiversity
  • bookcollection:fedlink
  • BHL Collection
  • BHL Consortium
Flickr posted date
InfoField
27 July 2014


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18 October 2015

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current12:03, 21 February 2016Thumbnail for version as of 12:03, 21 February 20163,488 × 2,092 (1.72 MB)SteinsplitterBot (talk | contribs)Bot: Image rotated by 90°
03:40, 18 October 2015Thumbnail for version as of 03:40, 18 October 20152,092 × 3,496 (1.73 MB)Fæ (talk | contribs)== {{int:filedesc}} == {{information |description={{en|1=<br> '''Identifier''': intensivefarming00penn ([https://commons.wikimedia.org/w/index.php?title=Special%3ASearch&profile=default&fulltext=Search&search=insource%3A%2Fintensivefarming00penn%2F fin...

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