File:Progressive Broadcasting System logo (1950).gif
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Summary
| Description |
English: Logo for the Progressive Broadcasting SyStem radio network |
| Date | |
| Source | https://www.worldradiohistory.com/Archive-BC/BC-1950/BC-1950-12-11.pdf#page=33 |
| Author | Unknown author |
Licensing
|
This advertisement (or image from an advertisement) is in the public domain because it was published in a collective work (such as a periodical issue) in the United States between 1931 and 1977 and without a copyright notice specific to the advertisement. Unless its author has been dead for several years, it is copyrighted in jurisdictions that do not apply the rule of the shorter term for US works, such as Canada (70 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties. See this page for further explanation. |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:13, 18 October 2024 | | 307 × 429 (67 KB) | Thomas H. White | Uploaded a work by {{Unknown|author}} from Included in an advertisement for the Progressive Broadcasting System which appeared on page 33 of the December 11, 1950 issue of Brodcasting magazine with UploadWizard |
File usage
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