File:Acoustic light patterns.jpg

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English: Lissajous curves are created when a beam of light bounces off mirrors attached to a pair of vibrating tuning forks. From Physics in Pictures. The principal natural phenomena and appliances described and illustrated by thirty coloured plates, for ocular instruction in schools and families, plate XXII.
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Source https://stock.adobe.com/255655487
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This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.

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Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Acoustic_light_patterns.jpg

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current04:28, 2 August 2021Thumbnail for version as of 04:28, 2 August 20211,000 × 763 (458 KB)Djkauffman (talk | contribs)Uploaded a work by Unnamed artist from https://stock.adobe.com/255655487 with UploadWizard

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