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File:AmCyc Boring - drill bit - brad awl.jpg

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AmCyc_Boring_-_drill_bit_-_brad_awl.jpg (82 × 417 pixels, file size: 12 KB, MIME type: image/jpeg)

Description
English: Woodcut/drawing of a drill bit, the brad awl, is a cylindrical wire, with a chisel edge; it packs the material around the hole.
Date published 1879
Source The American Cyclopædia, v. 3, 1879, p. 98 (Fig. 5).
Author Unknown authorUnknown author
Permission
(Reusing this file)
Public domain
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1930.
Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:AmCyc_Boring_-_drill_bit_-_brad_awl.jpg

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drill bit

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0ba6d418f05fc14d1923412f22f27fc9fc74952c

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417 pixel

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Date/TimeThumbnailDimensionsUserComment
current22:02, 20 March 2014Thumbnail for version as of 22:02, 20 March 201482 × 417 (12 KB)Library Guy{{Information |Description ={{en|1=Woodcut/drawing of a drill bit, the brad awl, is a cylindrical wire, with a chisel edge; it packs the material around the hole.}} |Source =''The American Cyclopædia'', v. 3, 1879, p. 98 (Fig. 5). |Author...

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