Description1941 Radio Moving Day advertisement.jpg
English: On March 29, 1941, under the provisions of the North American Regional Broadcasting Agreement, most of the radio stations in the United States moved to new transmitting frequencies. Advertisements like these offered services to reset customer's mechanical pushbuttons on their console radio receivers.
Date
Source
Advertisements on page 11 of the March 29, 1941 issue of the Detroit Tribune.
Author
Assorted company newspaper advertisements.
Licensing
Public domainPublic domainfalsefalse
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 1929 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 (50 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.
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