File:Sound analyzer, Type 760-A, General Radio, Cambridge MA, 1939-1940 - Putnam Gallery - Harvard University - DSC08093.jpg

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English: Exhibit in the Putnam Gallery - Harvard University - Cambridge, Massachusetts, USA. Please note that equipment in this exhibit is not subject to US copyright law. According to the US government: "A 'useful article' is an object having an intrinsic utilitarian function that is not merely to portray the appearance of the article or to convey information. Examples are clothing, furniture, machinery, dinnerware, and lighting fixtures. An article that is normally part of a useful article may itself be a useful article, for example, an ornamental wheel cover on a vehicle. Copyright does not protect the mechanical or utilitarian aspects of such works of craftsmanship." Please see [1] for this reference.
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I, the copyright holder of this work, hereby publish it under the following license:
Creative Commons CC-Zero This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication.
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current13:30, 21 March 2020Thumbnail for version as of 13:30, 21 March 20204,275 × 2,904 (5.81 MB)Daderot (talk | contribs)Uploaded own work with UploadWizard

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