File:Popular Electronics Oct 1954.jpg
Original file (1,935 × 2,841 pixels, file size: 930 KB, MIME type: image/jpeg)
Captions
Summary
[edit]DescriptionPopular Electronics Oct 1954.jpg |
Cover of the premier issue of Popular Electronics magazine, October 1954, Volume 1 Number 1. The cover photo shows a young experimenter testing the Heathkit A-7B audio amplifier. |
Date | |
Source | Scanned from the October 1954 issue of Popular Electronics by User:Swtpc6800 Michael Holley. |
Author | Ziff Davis Publishing Company. President: B. G. Davis, Editor: Oliver Read, Cover photo by John Deejen. |
Permission (Reusing this file) |
Copyright Ziff-Davis Publishing Company, September 21, 1954, registration number B499630. The copyrights for Popular Electronics are held by Poptronix Inc. The copyrights on issues before 1964 were not renewed and are in the public domain. |
Licensing
[edit]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 ∙ +/− |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 22:08, 9 December 2011 | 1,935 × 2,841 (930 KB) | Swtpc6800 (talk | contribs) | == {{int:filedesc}} == {{Information | Description= Cover of the premier issue of ''Popular Electronics'' magazine, October 1954, Volume 1 Number 1. The cover photo shows a young experimenter testing the Heathkit A-7B audio |
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Metadata
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Width | 1,942 px |
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Height | 2,850 px |
Bits per component |
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Compression scheme | LZW |
Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 299 dpi |
Vertical resolution | 299 dpi |
Data arrangement | chunky format |
Software used | Adobe Photoshop Elements 5.0 Windows |
File change date and time | 18:45, 9 June 2011 |
Color space | sRGB |
Image width | 1,935 px |
Image height | 2,841 px |
Date and time of digitizing | 11:45, 9 June 2011 |
Date metadata was last modified | 11:45, 9 June 2011 |
IIM version | 2 |