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  • 21 Aug, 2019

  • By, Wikipedia

File:Refraction Of Hertzian Waves By A Paraffin Lens 1897.png

This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer.


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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Experiment demonstrating refraction of microwaves by a paraffin lens

16 June 2020

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current22:31, 16 June 2020Thumbnail for version as of 22:31, 16 June 2020593 × 275 (17 KB)ChetvornoUploaded a work by John Ambrose Fleming from Retrieved 16 June 2020 from [https://books.google.com/books?id=2RRLAAAAMAAJ&pg=PA414 John Ambrose Fleming (1916) ''The Principles of Electric Wave Telegraphy and Telephony, 3rd Ed.'', Longmans, Green, & Co., London, p. 414, fig. 10] on Google Books with UploadWizard

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