File:Pickett slide rule.jpg
Pickett_slide_rule.jpg (558 × 152 pixels, file size: 63 KB, MIME type: image/jpeg)
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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 | Dimensions | User | Comment | |
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current | 15:23, 2 July 2009 | 558 × 152 (63 KB) | Dicklyon | Enhanced for readability |
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Metadata
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Orientation | Normal |
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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 |