File:Design of a universal portable electric drill (1920) (14594947727).jpg

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English:

Identifier: designofuniversa00conn (find matches)
Title: Design of a universal portable electric drill
Year: 1920 (1920s)
Authors: Connell, Edwin Lewis
Subjects: Electric drills Theses
Publisher:
Contributing Library: University of Illinois Urbana-Champaign
Digitizing Sponsor: University of Illinois Urbana-Champaign

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Text Appearing Before Image:
1.32 S AQ 5.3 455 60 300 364 1.5 AG 6.4 510 65 230 481 1.38 4 DG 4.9 540 55 360 564 1.64 5 DC 5.8 638 41 315 481 2.2 Of course a tool of this i5:ind vail not always be used to drillholes in steel. When smaller drills are used the machine willautomatically operate at a higher speed and the rate of drillingwill be soraev/hat greater although the load on the machine will bebelow normal. Ihis tool will save a great deal of time in woodboring, ihe capacity in such work depends upon the kind of woodand the depth of hole, i^r holes not exceeding 4;- in depth thismachine will drive a 1 wood bit in poplar, spruce, white pihe,cedar, white-wood, red-wood and mahogany; a wood bit in ash,beech, birch, cherry, chestnut, hemlock, soft maple, oak and southern pine; and a machine bit in ebony, elm, elder, hickory,hard maple, lignum vitae, walnut, briar, apple and box. nor verydeep holes the ship auger is used and the size of drill shouldnot exceed and for the tv70 softer groups of wood mentionedabove.
Text Appearing After Image:
U. or S. S. FORM 3

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https://www.flickr.com/photos/internetarchivebookimages/14594947727/

Author Connell, Edwin Lewis
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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:designofuniversa00conn
  • bookyear:1920
  • bookdecade:1920
  • bookcentury:1900
  • bookauthor:Connell__Edwin_Lewis
  • booksubject:Electric_drills
  • booksubject:Theses
  • bookcontributor:University_of_Illinois_Urbana_Champaign
  • booksponsor:University_of_Illinois_Urbana_Champaign
  • bookleafnumber:114
  • bookcollection:university_of_illinois_urbana-champaign
  • bookcollection:americana
Flickr posted date
InfoField
30 July 2014


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This image was originally posted to Flickr by Internet Archive Book Images at https://flickr.com/photos/126377022@N07/14594947727. It was reviewed on 9 September 2015 by FlickreviewR and was confirmed to be licensed under the terms of the No known copyright restrictions.

9 September 2015

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current17:20, 28 October 2015Thumbnail for version as of 17:20, 28 October 20153,520 × 2,463 (1.49 MB)SteinsplitterBot (talk | contribs)Bot: Image rotated by 90°
21:47, 9 September 2015Thumbnail for version as of 21:47, 9 September 20152,463 × 3,531 (1.5 MB)Fæ (talk | contribs)== {{int:filedesc}} == {{information |description={{en|1=<br> '''Identifier''': designofuniversa00conn ([https://commons.wikimedia.org/w/index.php?title=Special%3ASearch&profile=default&fulltext=Search&search=insource%3A%2Fdesignofuniversa00conn%2F fin...

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