File:Sperry Gyroscope Company Logo (1927).png

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Description
English: Logo for the Sperry Gyroscope Company.
Date
Source https://archive.org/details/aerodigest1119unse/page/342
Author Sperry Gyroscope Company

Licensing[edit]

Public domain 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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Date/TimeThumbnailDimensionsUserComment
current02:53, 31 May 2021Thumbnail for version as of 02:53, 31 May 20211,142 × 259 (296 KB)Noha307 (talk | contribs)Uploaded a work by Sperry Gyroscope Company from http://archive.org/details/aerodigest1119unse/page/342 with UploadWizard

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