File:Ed_Fredkin_working_on_PDP-1.jpg
From Wikipedia, the free encyclopedia
Size of this preview: 581 × 600 pixels. Other resolutions: 232 × 240 pixels | 465 × 480 pixels.
Original file (800 × 826 pixels, file size: 67 KB, MIME type: image/jpeg)
This is a file from the Wikimedia Commons. Information from its description page there is shown below. Commons is a freely licensed media file repository. You can help. |
Summary
DescriptionEd Fredkin working on PDP-1.jpg |
English: Ed Fredkin working on PDP-1. This work is in the public domain because it was published in the United States between 1924 and 1963 and although there may or may not have been a copyright notice, the copyright was not renewed. |
Date |
circa 1960 date QS:P,+1960-00-00T00:00:00Z/9,P1480,Q5727902 |
Source | Computer History Museum |
Author | Unknown photographer |
Licensing
Public domainPublic domainfalsefalse |
This work is in the public domain because it was published in the United States between 1929 and 1963, and although there may or may not have been a copyright notice, the copyright was not renewed. For further explanation, see Commons:Hirtle chart and the copyright renewal logs. Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (70 years p.m.a.), Mainland China (50 years p.m.a., not Hong Kong or Macao), Germany (70 years p.m.a.), Mexico (100 years p.m.a.), Switzerland (70 years p.m.a.), and other countries with individual treaties.
العربية ∙ Deutsch ∙ English ∙ español ∙ français ∙ galego ∙ italiano ∙ 日本語 ∙ 한국어 ∙ македонски ∙ português ∙ português do Brasil ∙ русский ∙ sicilianu ∙ slovenščina ∙ українська ∙ 简体中文 ∙ 繁體中文 ∙ +/− |
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 18:42, 15 May 2019 | 800 × 826 (67 KB) | Daderot | User created page with UploadWizard |
File usage
The following pages on the English Wikipedia use this file (pages on other projects are not listed):
Global file usage
The following other wikis use this file:
- Usage on ar.wikipedia.org
- Usage on arz.wikipedia.org
- Usage on da.wikipedia.org
- Usage on it.wikipedia.org
- Usage on ja.wikipedia.org
- Usage on pl.wikipedia.org
- Usage on pt.wikipedia.org
- Usage on ru.wikipedia.org
- Usage on uk.wikipedia.org
- Usage on www.wikidata.org
Retrieved from "https://en.wikipedia.org/wiki/File:Ed_Fredkin_working_on_PDP-1.jpg"