File:IBM Magnetic Card.jpg
IBM_Magnetic_Card.jpg (557 × 280 pixels, file size: 63 KB, MIME type: image/jpeg)
Captions
Summary
[edit]DescriptionIBM Magnetic Card.jpg |
English: Magnetic card (c. 1980) as used in the IBM MC Selectric typewriter and IBM MC Selectric Composer. Compatible products were available from Memorex and Scotch (3M).
The pair of longitudinal wide parallel bars are abrasion from the friction rollers that moved the card relative to the reader, and ejected the card on demand. The number (2564 in this example) is not a product code but a random code so that a specific card could be identified. Image (and ruler) were scanned from a physical card on 2007-12-12.Español: Tarjeta magnética (c. 1980) como la usada en las IBM MC Selectric y IBM MC Selectric Composer. Productos compatibles estaban disponibles de Memorex y Scotch (3M). |
Date | |
Source | http://en.wikipedia.org/wiki/File:IBM_Magnetic_Card.jpg |
Author | Pointillist |
Permission (Reusing this file) |
GNU Free Documentation License, Version 1.2 |
Licensing
[edit]Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version 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.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue |
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 21:49, 25 September 2009 | 557 × 280 (63 KB) | Piero71 (talk | contribs) | {{Information |Description={{en|1=Magnetic card (c. 1980) as used in the IBM MC Selectric typewriter and [[en:IBM_Selectric_typewriter#Selectric_Composers|IBM MC Selectric Composer |
You cannot overwrite this file.
File usage on Commons
There are no pages that use this file.
File usage on other wikis
The following other wikis use this file:
- Usage on ca.wikipedia.org
- Usage on en.wikipedia.org
- Usage on es.wikipedia.org
- Usage on it.wikipedia.org
- Usage on lmo.wikipedia.org
- Usage on pt.wikipedia.org
- Usage on www.wikidata.org
Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Orientation | Normal |
---|---|
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | Adobe Photoshop CS2 Windows |
File change date and time | 15:18, 12 December 2007 |
Color space | sRGB |