File:IBM1620A.jpg
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Summary
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IBM 1620 Model I Level A (prototype), as it appeared in the IBM announcement of the machine. English: IBM 1620 Model I Level A (prototype)
A photograph from original IBM announcement of the 1620. |
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Downloaded (and renamed and reduced) from http://www.ed-thelen.org/comp-hist/BRL61-0536.jpg I have permission from Ed Thelen to use photos from his site. A THIRD SURVEY OF DOMESTIC ELECTRONIC DIGITAL COMPUTING SYSTEMS Martin H. Weik Department of the Army Project No. 5803-06-002 Ordnance Management Structure Code No. 5010.11.812 BALLISTIC RESEARCH LABORATORIES - ABERDEEN PROVING GROUND, MARYLAND Transferred from en.wikipedia to Commons. 2002-12-30 upload date byRTC at en.wikipedia |
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Licensing
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This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code.
Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.
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- 2002-12-30 22:10 RTC 400×309×8 (78990 bytes) (IBM 1620 Model I Level A (prototype), reduced
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 18:51, 19 April 2008 | | 400 × 309 (77 KB) | File Upload Bot (Magnus Manske) | {{BotMoveToCommons|en.wikipedia}} {{Information |Description={{en|IBM 1620 Model I Level A (prototype) A photograph from original IBM announcement of the 1620. Downloaded (and renamed and reduced) from http://www.ed-thelen.org/comp-hist/BRL61-0536.jpg |
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