File:Chrysler Imperial motor life 1955 Sept-all transistor radio.jpg

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Description
English: Philco's Surface-Barrier Transistor is shown on Motor Life's magazine cover (Sept 1955). This transistor was used in the world's first all-transistor car radio, which was developed and produced by Philco and Chrysler in 1955.
Date
Source own magazine issue and scanned by Historianbuff
Author Historianbuff
Permission
(Reusing this file)		 Motor Life did not renew the copyright to their pre-1964 issues.

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Public domain
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.

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current00:44, 20 July 2015Thumbnail for version as of 00:44, 20 July 20151,013 × 1,601 (1.25 MB)Historianbuff (talk | contribs)User created page with UploadWizard

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