File:Pickett slide rule.jpg
Pickett_slide_rule.jpg (558 × 152 pixels, file size: 63 KB, MIME type: image/jpeg)
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Transferred from en.wikipedia to Commons by Maksim.
This is a scan of a Pickett pocket slide rule, done by me, Benjamin Crowell, in 2005. The slide rule does not have a copyright notice on it, and works published in the U.S. without a copyright notice before 1977 are in the public domain. I therefore think the slide rule itself is in the public domain under U.S. law. I'm making my scan available under the GFDL license.
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 only as published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. | 1.2 onlyhttp://www.gnu.org/licenses/old-licenses/fdl-1.2.htmlGFDL 1.2GNU Free Documentation License 1.2truetrue |
date/time | username | edit summary |
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19:25, 23 April 2005 | en:User:Bcrowell | |
19:18, 23 April 2005 | en:User:Bcrowell | (This is a scan of a Pickett pocket slide rule, done by Benjamin Crowell in 2005. The slide rule does not have a copyright notice on it, and works published in the U.S. without a copyright notice before 1977 are in the public domain. I therefore think the ) |
Original upload log
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- (del) (cur) 19:33, 23 April 2005 . . en:User:Bcrowell Bcrowell ( en:User_talk:Bcrowell Talk) . . 558x152 (20510 bytes) (This is a scan of a Pickett pocket slide rule, done by me, Benjamin Crowell, in 2005. The slide rule does not have a copyright notice on it, and works published in the U.S. without a copyright notice before 1977 are in the public domain. I therefore think)
- (del) (rev) 19:24, 23 April 2005 . . en:User:Bcrowell Bcrowell ( en:User_talk:Bcrowell Talk) . . 634x174 (25206 bytes) (This is a scan of a Pickett pocket slide rule, done by Benjamin Crowell in 2005. The slide rule does not have a copyright notice on it, and works published in the U.S. without a copyright notice before 1977 are in the public domain. I therefore think the )
- (del) (rev) 19:18, 23 April 2005 . . en:User:Bcrowell Bcrowell ( en:User_talk:Bcrowell Talk) . . 652x203 (27548 bytes) (This is a scan of a Pickett pocket slide rule, done by Benjamin Crowell in 2005. The slide rule does not have a copyright notice on it, and works published in the U.S. without a copyright notice before 1977 are in the public domain. I therefore think the )
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File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 17:23, 2 July 2009 | 558 × 152 (63 KB) | imagescommonswiki>Dicklyon | Enhanced for readability |
File usage
The following 2 files are duplicates of this file (more details):
- File:Pickett slide rule.jpg from Wikimedia Commons
- File:Pocket slide rule.jpg
The following page uses this file:
Metadata
This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
If the file has been modified from its original state, some details may not fully reflect the modified file.
Orientation | Normal |
---|---|
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Adobe Photoshop CS4 Macintosh |
File change date and time | 15:21, 2 July 2009 |
Color space | Uncalibrated |
Image width | 558 px |
Image height | 152 px |
Date and time of digitizing | 08:19, 2 July 2009 |
Date metadata was last modified | 08:21, 2 July 2009 |
Unique ID of original document | xmp.did:F77F117407206811B1A4E73F1407E475 |